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Have you planned the practical tasks that turn a registered entity into a trading, compliant business?

This guide maps the essential operational and statutory setup work that follows incorporation. It shows founders how to move from day‑one records and banking to first‑year compliance milestones. Early planning of your Financial Year End and key filings reduces rushed submissions and penalties.

Read on for a clear, sequential action plan covering officers, statutory registers, accounting aligned to SFRS, licences, banking and hiring. The checklist highlights audit rules, filing timelines such as ECI, AGM and Annual Returns, and practical services and tasks you will need to meet regulatory requirements.

Key Takeaways

  • Define the scope: operational and statutory setup to trade confidently.
  • Map day‑one tasks to first‑year milestones to avoid last‑minute rushes.
  • Choose a Financial Year End early; deadlines flow from that date.
  • Good governance and tidy records enable fundraising, licences and banking.
  • This is a practical, Singapore‑specific checklist for founders and directors.

What “post-incorporation” means for a Singapore company today

Moving from registration to operation means building systems that satisfy both corporate and tax authorities.

The post‑registration period is when your company must convert registration details into governance, records and reporting routines. These routines ensure you meet ACRA obligations for officers and registers and IRAS rules for tax filings based on your FYE.

How ACRA and IRAS obligations shape your first operating year

Key legal deadlines link to your chosen financial year end. ECI is due within 3 months after FYE, an AGM within 6 months, and Annual Returns within 7 months. Appoint a company secretary within 6 months and an auditor within 3 months if the law requires one.

Requirement Deadline Authority
Company secretary appointment Within 6 months ACRA
Auditor appointment (if required) Within 3 months ACRA
Estimated Chargeable Income (ECI) Within 3 months after FYE IRAS
Annual General Meeting Within 6 months after FYE ACRA

Common first‑six‑month tasks founders overlook

Founders often miss preparing statutory registers early, choosing a strategic FYE, and separating personal from business finances. Even without revenue, keep clear bookkeeping and internal approvals.

  • Legal must‑dos: statutory registers, officer appointments.
  • Operational must‑dos: bank account, accounting stack and tidy records.
  • Risk points: late filings or mixed transactions that trigger queries from banks or investors.

Set your Financial Year End to plan every compliance deadline

Choosing a financial year end is the single date decision that fixes your reporting and compliance calendar. It determines when you close your books, estimate taxable income and schedule statutory meetings. Pick it deliberately to match cash flow and workload.

How FYE affects ECI, AGM timing and annual filings

The financial year end sets the clock for key dates. Close accounts at year end, then file Estimated Chargeable Income (ECI) within three months.

You must hold your first AGM within six months after the year end. Annual Returns follow within seven months. An unsuitable FYE can compress these tasks into a tight window.

A modern office environment showcasing a diverse group of business professionals in smart business attire, engaged in a collaborative meeting around a large conference table. In the foreground, there are detailed financial documents and a laptop displaying financial graphs and compliance deadlines. In the middle ground, an elegant digital calendar on a screen highlights the fiscal year-end dates, emphasizing planning and organization. The background features large windows with a cityscape view, offering natural light that creates a bright and inspiring atmosphere. The overall mood is one of focus and productivity, captured in a photorealistic style with soft lighting. The angle is slightly above eye-level to encompass the collaborative spirit of the team and the tools essential for fiscal planning.

Common FYE choices and when they make sense

Popular choices are 31 March, 30 June, 30 September and 31 December. Use 31 March if your trade peaks in mid‑year and you want alignment with many local agents.

Choose 30 June or 30 September if you need extra months to collect invoices. A 31 December year end suits businesses reporting on a calendar year.

How to avoid time pressure in your first set of filings

Give yourself runway. Select a year end that allows several months of bookkeeping before statutory deadlines.

  • Build a close timetable: monthly reconciliations, quarterly reviews and pre‑year end stock checks.
  • Keep tidy records so ECI reflects actual income and reduces later adjustments.
  • Delay a short FYE only if you can meet the compressed filing load.

Appoint key officers and confirm whether an audit is required

Timely officer appointments ensure someone is accountable for filings, governance and board support.

Company secretary deadline: a company secretary must be appointed within six months of incorporation. The secretary keeps statutory registers up to date, tracks changes to directors and shareholders, and prepares filings required by the regulator.

Who can act as the company secretary

The company secretary must be a natural person residing in Singapore and cannot be the sole director. Many boards choose a qualified or experienced secretary from recognised accounting or secretarial backgrounds to reduce risk.

Auditor appointment and role

You must appoint auditor within three months unless your business qualifies for audit exemption. Auditors review financial statements and confirm they meet statutory reporting standards. This gives banks and investors confidence in your accounts.

Audit exemption thresholds and review

Audit exemption applies only if all three limits are met: annual revenue ≤ S$10 million, total assets ≤ S$10 million and full‑time employees ≤ 50. Exceed any limit in a later year and you must appoint auditor then. Review these numbers annually as the business grows.

Founders’ action checklist

  • Obtain written acceptance from the proposed company secretary.
  • Agree scope: register maintenance, resolutions and annual filings.
  • Set an internal process for notifying changes to directors or shareholders.
  • Confirm whether your entity meets audit exemption limits and plan to re‑assess regularly.

Complete your corporate records: share certificates and statutory books

Well‑maintained statutory books prove ownership and limit disputes when new investors perform due diligence.

A polished wooden desk set in a well-lit office environment, featuring open statutory books with elegant leather bindings, detailed share certificates, and a feather quill pen resting beside them. In the foreground, showcase a clipboard holding neatly arranged documents, with soft shadows cast across the surface. The background has a blurred view of a modern office with potted plants, giving a professional and serene atmosphere. The lighting is warm and inviting, emphasizing the rich textures of the books and papers. Capture the scene from an overhead angle to convey a sense of organization and productivity. Focus on creating a photorealistic representation that highlights the importance of corporate record-keeping in a business setting.

Issuing share certificates correctly and what they prove

A share certificate is legal evidence of ownership. It should show the shareholder identity, number and class of shares, the company name and the date of issue.

Why this matters: clean records protect ownership rights and speed fundraising, transfers and director changes.

Signing requirements when not using a common seal

If no common seal is used, the certificate must be signed by either:

  • two directors; or
  • one director and the company secretary; or
  • one director in the presence of a witness.

Follow these routes precisely to avoid invalidating documents.

What to include in statutory registers and why they must be updated

Statutory books should include officer details, members and transfers, charges/debentures, and minutes of AGMs and board resolutions.

Register Key contents Use
Officers Directors, secretary, auditors; appointment/resignation dates Proves authority for filings and signatures
Members / shareholders Names, holdings, transfer history, company name on certificates Shows ownership for transactions and due diligence
Charges Details of debentures and secured liabilities Needed for lender checks and insolvency searches
Minutes AGM and board resolutions organised by financial year Supports Annual Returns and audits

Where statutory books must be kept and maintenance habit

Statutory books must be kept at the registered office and be available for inspection by authorities. Keep a simple digital indexing system and update registers promptly after any change.

Practical habit: file minutes by year, scan signed documents, and reconcile share records with the account ledger quarterly.

Set up an accounting system that supports tax and reporting compliance

Set up a robust accounting workflow early so daily transactions feed statutory reports and tax returns reliably.

An accounting system is more than software; it is the process that captures sales, costs, invoices, receipts, bank reconciliations and schedules.

Keeping accurate income and expense records from day one

Define a chart of accounts and choose bookkeeping frequency — weekly for high volume or monthly for low volume. Ensure every transaction has a source document and an approval flow.

Accurate income and expense records support ECI estimates and corporate tax computations. Complete records reduce queries and costly revisions.

Aligning bookkeeping with Singapore Financial Reporting Standards (SFRS)

Follow consistent categorisation, enforce proper cut‑off at FYE, and keep reconciliations traceable. These practices ensure your accounts roll into Profit & Loss, Balance Sheet, Cash Flow and Notes cleanly.

  • Day‑one checklist: chart of accounts, bookkeeping cadence, expense approvals, source documents.
  • Operational pitfalls: mixing personal and business spending, skipping monthly bank reconciliations, losing invoices.
  • When to use professional services: scaling businesses, multi‑currency operations or tax computation support.
Activity Why it matters Suggested cadence
Bank reconciliations Detects errors and prevents fund misuse Monthly
Source document filing Supports tax claims and audit trails Continuous
Chart of accounts review Keeps reporting aligned to SFRS Annually or on major changes

Apply for business licences and permits before you start trading

Many trades and services need regulatory approval; confirm licences early to avoid launch delays.

A well-organized desk scene, focused on a collection of business licenses and permits stacked neatly. In the foreground, a close-up view of colorful and intricate license documents layered on top of each other, featuring official seals and signatures, reflecting a sense of professionalism. In the middle ground, an elegantly designed laptop displays an online application form, symbolizing the digital aspect of the licensing process. The background features a soft-focus office environment with a globe and a plant, enhancing the global business context. The lighting is bright, giving the scene a productive and optimistic atmosphere. Capture the image with a warm tone, using a wide-angle lens to emphasize the workspace. Ensure no human subjects are present in the image.

In Singapore licensing is activity-based. Incorporation alone does not authorise regulated activities. Trading without the right permit can lead to fines, closure or reputational harm.

Industries that commonly require licences

  • F&B restaurants, clubs and bars;
  • travel and employment agencies;
  • financial services and education providers;
  • telecoms / infocomm, healthcare and manufacturing;
  • import/export and trading activities that need permits.

How to confirm licensing requirements

Identify your precise business activity description and map it to relevant regulator categories. Check statutory boards and government portals such as Enterprise Singapore for activity‑specific requirements.

Practical checklist:

  • Confirm the regulator for your activity and read licence conditions.
  • Prepare corporate records: UEN, constitution, director and shareholder details.
  • Gather operational documents: premise lease, SOPs, staff qualifications and safety plans.
  • Schedule licence clearance before lease signing or staff hiring where licences impose premises or staffing rules.

Sequencing tip: Align licence approvals with bank account setup and accounting so you can invoice and collect payments compliantly when trading begins. Review licences annually — rules and requirements change, and regular checks keep your business compliant.

Open a corporate bank account to separate business and personal finances

Start your financial life by setting up a proper corporate bank account so payroll, invoices and capital are tracked.

Why this matters: a dedicated bank account creates a clear transaction trail for bookkeeping, tax reporting and audits. It protects directors and shareholders by keeping funds separate and helps when applying for credit or licences.

Documents typically required by banks

Banks normally ask for the Certificate of Incorporation, the company constitution, and IDs for directors, shareholders and beneficial owners. They will also verify the UEN and request corporate particulars and proof of address for signatories.

Board resolution and authorised signatories

The board resolution must approve opening the account, name authorised signatories and set mandate rules (single or joint signing) and limits. Banks often want evidence of board approval and the signatures that match ID documents.

“Banks look for clear authority and a signed mandate so they can accept transactions with confidence.”

In-person vs remote opening and typical timelines

Many retail banks require in-person verification and commonly ask for two directors or one director plus the secretary to sign. Some fintechs and partner banks permit remote opening for non-resident founders but include enhanced KYC checks.

Option Verification Typical timeline
Traditional bank In-person IDs and signatures 1–4 weeks
International bank (restricted) In-person or branch visits 2–6 weeks
Fintech / partner bank Remote KYC and digital ID checks 2 days–2 weeks

Funding the business by depositing share capital

Once the account is active, deposit shareholders’ share capital and document the transaction in minutes and bank statements. Always pay business expenses from the bank account to preserve audit trails and simplify accounting.

For practical guidance on how to open corporate bank accounts and banking options, see opening a corporate bank account in.

after company incorporation steps singapore for hiring: payroll, CPF and SDL essentials

Hiring brings immediate recurring obligations that start with the first payroll run and continue every month.

Employment Act basics and setting compliant employment terms

Employment governed by the Employment Act requires written terms for employees on a contract of service. Include salary, leave entitlements, notice periods and working hours to reduce disputes.

Work passes for foreign hires: EP and S Pass considerations

Decide early whether a foreign hire needs an Employment Pass or an S Pass. EP suits managerial or specialised roles; S Pass fits mid‑skilled roles but may attract quota and levy implications that affect payroll costs.

A professional office setting with a focus on employment payroll, CPF, and SDL essentials. In the foreground, a diverse group of business professionals dressed in business attire are reviewing financial documents and charts on a conference table, engaged in a collaborative discussion. The middle ground features a large whiteboard with diagrams illustrating payroll processes, CPF contributions, and SDL requirements. The background shows a modern office with large windows letting in natural light, greenery visible outside, and shelves filled with business books. The atmosphere is focused and productive, conveying the seriousness of post-incorporation hiring responsibilities. Use a shallow depth of field to emphasize the subjects and create a warm, inviting tone.

CPF registration via Corppass and CPF Submission Number

Register for CPF e‑services using Corppass and apply for a CPF Submission Number (CSN). The CSN combines your UEN and CPF Payment Code and is needed to file contributions.

CPF deadlines, rates and late payment interest

CPF contributions are due by the 14th of the following month. Late payments incur interest at 1.5% per month.

Age band Employer Employee Total
≤55 17% 20% 37%
55–60 15% 16% 31%
60–65 11.5% 10.5% 22%

SDL calculation and payroll controls

SDL is 0.25% of monthly wages. The statutory minimum is S$2 and the maximum S$11.25; total rounded down to the nearest dollar.

  • Make a payroll calendar showing CPF and SDL due dates.
  • Reconcile headcount, bonuses and salary changes each month to meet statutory requirements.

Register for tax schemes and file with IRAS and ACRA on time

Treat the first reporting cycle as the engine room that powers compliance, tax and statutory filings for your new entity.

ECI (Estimated Chargeable Income) is taxable income after allowable expenses and includes revenue. You must file ECI within three months after your financial year end. Prepare supporting schedules so your ECI matches accounting records and reduces IRAS queries.

The first AGM must be held within six months after year end. Private meetings may be held virtually or by circulating documents where permitted. Use virtual options to include distant shareholders and to document quorum clearly.

ACRA Annual Returns and XBRL

Annual Returns are due within seven months after year end. They must include updated company particulars, officer and shareholder details, registered charges, share capital changes and financial statements in XBRL (full or simplified) where applicable.

“Start Annual Return preparation before the AGM so accounts and officer changes are finalised in good time.”

Penalties and avoiding them

Late filing can trigger penalties. ACRA may apply fines (commonly around S$300 per breach and up to S$600 in some cases). Repeated delays increase scrutiny and downstream risk.

Corporate income tax returns

Smaller entities may file Form C‑S if revenue is under S$5m and no complex reliefs are claimed. Others must file Form C. Note key deadlines: paper returns by 30 November and online submissions (myTax Portal) by 15 December.

GST registration triggers

Register for GST if taxable turnover exceeds S$1m retrospectively (past 12 months) or is expected to exceed S$1m prospectively (next 12 months). The prevailing GST rate is 9%. Plan pricing and cashflow before the threshold is reached.

Obligation Key content Deadline
Estimated Chargeable Income Taxable income after expenses; revenue disclosure Within 3 months after financial year end
Annual General Meeting Accounts approval; shareholder resolutions; virtual options Within 6 months after year end
ACRA Annual Return Company particulars; XBRL financials; charges; share capital Within 7 months after financial year end
Corporate Income Tax Return Form C‑S or Form C submission 30 Nov (paper) / 15 Dec (online)

Conclusion

Finish your initial setup by sequencing governance, finance and regulatory tasks into a single, manageable plan.

Set a Financial Year End, appoint key officers and issue share records promptly. Implement an SFRS‑aligned accounting system, secure required licences and open a corporate bank account so transactions stay clean and traceable.

Plan filings for ECI, AGM, Annual Returns and tax, and build a 12‑month compliance calendar. Assign owners or use professional services to reduce risk and avoid penalties.

Do this well and the business gains faster bank onboarding, smoother investor checks and clearer tax computations. Treat governance as operations: update registers, store minutes and reconcile bank entries regularly.

FAQ

What does “post-incorporation” mean for a Singapore company today?

Post‑incorporation covers the immediate legal and administrative obligations after registration. This includes appointing a company secretary and directors, setting a financial year end, opening a corporate bank account, preparing statutory books and share certificates, registering for tax with IRAS, and ensuring compliance with ACRA filing requirements. It also covers employment setup such as CPF registration, payroll and SDL, plus any required licences before trading.

How do ACRA and IRAS obligations shape my first operating year?

ACRA requires timely appointment of officers, maintenance of statutory registers and filing of annual returns. IRAS mandates tax registration, estimated chargeable income (ECI) filing, and corporate tax returns. These obligations determine deadlines for AGMs, annual filings and tax payments, so plan your bookkeeping, accounting and auditor appointments to meet them and avoid penalties.

What common first-six-month tasks do founders often overlook?

Founders commonly miss appointing a qualified company secretary within six months, opening a corporate bank account, issuing share certificates correctly, and maintaining statutory registers. They also delay CPF and payroll set‑up, obtaining necessary business licences, and registering for GST or corporate tax schemes, which can cause fines or operational delays.

How should I choose a financial year end (FYE)?

Choose an FYE that aligns with your business cycles, investor expectations and tax planning. A sensible FYE smooths cashflow for tax payments, aligns with audited accounts if required, and spaces compliance deadlines. Many small businesses adopt 31 December or 31 March, but choose what best fits reporting and seasonal revenue patterns.

How does FYE affect ECI, AGM timing and annual filings?

ECI must be filed within three months after the end of your financial year. AGM timing and ACRA annual returns are linked to FYE and determine when accounts must be prepared and lodged. Selecting an FYE sets the cadence for tax payments, audit preparations and compliance deadlines throughout the year.

What FYE choices are common in Singapore and when do they make sense?

Common FYE dates are 31 December and 31 March. 31 December suits businesses tied to the calendar year and simplifies personal tax alignment for owners. 31 March suits companies that align with financial institutions or industry reporting. Choose based on cashflow cycles, audit availability and investor reporting needs.

How can I avoid time pressure when preparing first filings?

Start bookkeeping immediately, engage an accountant, set up an accounting system aligned with SFRS, and schedule audits early if required. Maintain up‑to‑date statutory books and hold regular director meetings to approve accounts. Using a company secretary and payroll provider reduces last‑minute compliance work.

When must I appoint a company secretary and what are the legal requirements?

You must appoint a company secretary within six months of registration. The secretary must be a natural person ordinarily resident in Singapore and have the requisite knowledge to ensure statutory compliance, filings and maintenance of registers.

Who can act as a company secretary in Singapore?

Any Singapore resident individual with the competence to fulfil statutory duties may act as secretary. Many companies appoint a professional corporate secretarial firm or an experienced individual director who is resident, provided there is no conflict with legal requirements.

When must an auditor be appointed and what do auditors do?

An auditor must be appointed within three months of incorporation unless the company qualifies for audit exemption. Auditors examine financial statements, verify compliance with SFRS, and produce an audit report for shareholders and regulators where required.

What are the audit exemption thresholds for revenue, assets and employees?

Private companies may qualify for audit exemption if they meet the small company criteria in two consecutive financial years. The thresholds consider consolidated revenue, total assets and number of employees. Verify current IRAS/ACRA guidance or consult an auditor to confirm eligibility.

How do I issue share certificates correctly and what do they prove?

Issue share certificates that record shareholder names, share classes, number of shares and the date of issue. Certificates serve as prima facie evidence of title and must align with the company’s registers. Ensure directors approve allotments and records are updated in statutory books.

What are the signing requirements if the company does not use a common seal?

If no common seal is used, documents such as share certificates and contracts must be signed by authorised signatories as per the board resolution. Banks and counterparties often request a board resolution confirming authorised signatories for the corporate bank account.

What should be included in statutory registers and why must they be kept updated?

Statutory registers should include registers of members, directors, secretaries, charges, and share transfers. Accurate registers are legally required and enable proof of ownership, director appointments and changes, and support regulatory inspections by ACRA or other authorities.

Where must statutory books be kept and when may authorities request them?

Statutory registers and company records should be kept at the registered office or another notified location in Singapore. Authorities such as ACRA may request access during audits, investigations or routine checks, so records must be available on demand.

How should I set up an accounting system to meet tax and reporting obligations?

Choose an accounting system that records income, expenses, assets and liabilities from day one and supports SFRS reporting. Implement chart of accounts, invoicing, payroll and bank reconciliations. Regular bookkeeping simplifies ECI, GST returns and year‑end audits.

What records must I keep for income and expense tracking?

Keep sales invoices, receipts, bank statements, payroll records, expense claims and capital asset records. Maintain electronic backups and reconcile accounts monthly. Accurate records support tax filings and audit trails for IRAS and ACRA.

Which licences and permits commonly apply before trading?

Common regulated activities include food and beverage, retail, financial services, education, healthcare and import/export. Each sector has specific licences from agencies such as the Singapore Food Agency, Monetary Authority of Singapore or Ministry of Manpower.

How can I confirm if my business needs a licence?

Check the relevant government agency websites, use the GoBusiness licensing portal, or consult a professional adviser. Early confirmation prevents penalties and avoids interrupted trading.

What documents do Singapore banks typically require to open a corporate bank account?

Banks generally request the company’s registration documents, certificate of incorporation, constitution, statutory registers, board resolution, proof of directors’ and shareholders’ identity, proof of business activity, and a list of authorised signatories. Requirements vary by bank and risk profile.

What do banks expect in a board resolution and authorised signatory list?

Banks want a board resolution authorising account opening, naming signatories and setting signing limits. Provide certified copies signed by directors and include identification and specimen signatures of authorised signatories to satisfy KYC requirements.

What are typical timelines for in‑person versus remote account opening?

In‑person account opening can take a few days to a couple of weeks, depending on bank onboarding checks. Remote or digital onboarding may take longer or be restricted for certain non‑resident structures. Timelines vary with document readiness and compliance checks.

When should I deposit share capital after the account is active?

Deposit the initial paid‑up capital once the corporate bank account is active and authorised signatories are in place. Keep documentary evidence of the deposit as part of statutory books and for future audit or bank verification.

What employment obligations should I set up for payroll, CPF and SDL?

Register as an employer with CPF, obtain a CPF Submission Number, set up payroll systems, calculate employer and employee CPF contributions, and register for SDL. Ensure employment contracts comply with the Employment Act and that pay schedules meet CPF and SDL deadlines.

What are the basics of the Employment Act relevant to small businesses?

The Employment Act covers working hours, overtime, rest days, public holidays and termination notice for employees covered by the Act. Ensure employment contracts clearly state terms and comply with statutory minimums to avoid disputes and penalties.

What work passes should I consider for foreign hires?

For skilled hires, consider the Employment Pass (EP); for mid‑level professionals, the S Pass; and for foreign managers or specialists, determine whether telex release or other permits apply. Assess salary thresholds, qualifications and quota limits with Ministry of Manpower guidance.

How do I register for CPF via CorpPass and get a CPF Submission Number?

Use CorpPass to access My CPF Employer Services, register your company, and obtain a CPF Submission Number for monthly contributions and filings. Ensure authorised personnel have CorpPass access to submit payments and returns.

What are CPF payment deadlines and penalties for late payment?

CPF contributions are generally due by the 14th of the following month for salary periods. Late payments incur interest and penalties. Maintain timely payroll processing and reconcile CPF submissions to avoid charges.

How is the Skills Development Levy (SDL) calculated and what are its minimum/maximum amounts?

SDL is calculated on total monthly wages and is subject to statutory rates and caps. There is a minimum and maximum levy per employee. Check the latest MOM guidance for current rates and exemptions.

What is ECI filing and when is it due after FYE?

ECI is an estimate of chargeable income and must be filed within three months after the end of the financial year, unless exempt. It helps IRAS assess provisional tax; accurate bookkeeping helps avoid penalties and estimated shortfalls.

What are AGM requirements and are virtual AGMs acceptable?

Companies must hold an AGM unless shareholders waive it. Virtual AGMs are permissible if they meet ACRA and statutory requirements for shareholder participation and minutes. Ensure notices and proxy arrangements comply with regulations.

What do ACRA annual returns include and what about XBRL filing?

Annual returns include company particulars, directors, shareholders and financial information. Larger companies must file financial statements in XBRL format. Check filing deadlines and whether small company exemptions apply to reduce reporting burden.

What are the penalties for late filing and how can I avoid them?

Late filings attract fines, late fees and potential prosecution. Avoid penalties by setting reminders, engaging a company secretary, maintaining accurate records and preparing filings well before deadlines.

How do I file corporate tax returns: Form C‑S vs Form C, and what are the deadlines?

Form C‑S is for qualifying small companies with simpler reporting; Form C is for larger or more complex tax situations. Corporate tax returns are annual, with filing deadlines depending on whether you use an appointed tax agent. Check IRAS guidance for current deadlines and eligibility.

What are the GST registration thresholds and the prevailing rate?

Goods and Services Tax registration is required if annual taxable turnover exceeds the current threshold or is expected to. You can also register voluntarily. Confirm the prevailing GST rate and retrospective versus prospective registration rules with IRAS.