CRS and FATCA forms when opening a Singapore bank account

A CRS or FATCA self-certification is a signed declaration of where an account holder is resident for tax purposes, given to a bank so that it can decide whether the account must be reported to the Inland Revenue Authority of Singapore (IRAS) for exchange with other tax authorities. Under the Common Reporting Standard (CRS) the bank asks every new account holder for one; under the Foreign Account Tax Compliance Act (FATCA) it also establishes whether the holder is a US person. The form is separate from know-your-customer checks, although the bank must test it against what KYC has told it. This is general information on Singapore's framework; obtain advice in each jurisdiction where you may be tax resident.

Why banks ask for these forms

Singapore banks are Reporting Singapore Financial Institutions (Reporting SGFIs). The IRAS e-Tax Guide on the CRS (Fifth Edition, 11 August 2026) says that for a new individual account the bank must, "before or as soon as is practicable after opening a new account", obtain a valid self-certification and confirm that it is reasonable based on information collected at opening, "including any documentation collected pursuant to AML / KYC Procedures". In practice this means:

If your declared tax residence is Singapore only but your address or phone number points elsewhere, expect the bank to ask why. That is the reasonableness test, not an accusation.

Individuals: what the form asks

IRAS asks account holders to "promptly provide your jurisdiction of residence for tax purposes" when requested.

IRAS states that if you do not provide the information, the institution may decline to open a new account or, in some cases, close an existing one, and that "wilfully providing false information on your tax residency status may subject you to a fine not exceeding $10,000", imprisonment of up to 2 years, or both (page last updated 19 October 2021). Tax residence for CRS purposes follows each country's own rules; holding a work pass does not by itself settle it.

Entities: classifying the account holder

A company, partnership, trust or fund also completes a self-certification, but first classifies itself. The e-Tax Guide states that a non-financial entity (NFE) "has no reporting obligation to IRAS", but must determine its classification and provide the self-certification requested.

The classification follows the entity's facts. A bank may challenge a classification that does not fit what it knows about the entity's income and assets. If you are unsure, ask the entity's accountant or tax adviser rather than the bank.

Controlling persons, beneficial owners and registrable controllers

Three overlapping concepts appear in a corporate application. They often point to the same people but have different legal bases.

Keep the three lists consistent. A person shown as a controller on the company's register but missing from the CRS form, or the reverse, is a common reason for follow-up questions.

When circumstances change

A self-certification is not a one-off. IRAS asks account holders to inform their financial institution of any change in circumstances affecting their tax residency status. The e-Tax Guide describes a change in circumstances as any change that adds information relevant to the holder's status or conflicts with it, including a new address abroad or a change of account holder. Examples:

1. Moving to or from Singapore, or becoming tax resident in an additional country.
2. A new residential or mailing address in another jurisdiction.
3. For entities, a change of controlling persons or a shift in income that affects Active or Passive classification.
4. Obtaining a new TIN, for example after receiving an NRIC on becoming a permanent resident.

Where a change makes the existing form unreliable, the bank will request a new self-certification and supporting evidence. Responding promptly avoids the account being treated on the basis of outdated information.

FATCA: the US layer

FATCA is a US law that requires foreign financial institutions to identify accounts held by US persons. Singapore implements it through a Model 1 intergovernmental agreement (IGA). IRAS states that the 2014 Model 1 IGA was given effect in Singapore law by the FATCA Regulations 2015, which entered into force on 18 March 2015, and the 2018 reciprocal Model 1 IGA by the FATCA Regulations 2020, which entered into force on 1 January 2021 and apply to reporting years 2021 onwards (IRAS, updated 11 August 2026). Under the Model 1 approach, Singapore banks report to IRAS, which passes the information to the US authorities.

For an individual, the bank establishes whether you are a US person, for example a US citizen or tax resident. For an entity, it records the entity's FATCA status and, for passive entities, whether any controlling persons are US persons. Some banks route US persons through particular channels; for example, UOB's One Account page asks foreigners and US persons to apply at a branch (checked October 2026). This is a bank's process choice, not a Singapore rule.

Timeline

What CRS and FATCA are not

CRS and FATCA are information-reporting regimes. They do not impose tax in Singapore, and a report is not an assessment. Whether interest, dividends or gains are taxable depends on the law of each jurisdiction where you are tax resident. These forms are also not a place for planning: declaring a residence that does not reflect your actual position can be an offence under Singapore law and can lead to the bank declining or closing the account. Families with members resident in several jurisdictions, including mainland China or Hong Kong, should seek advice in each of them. For the account-opening context, see personal accounts and the corporate documents checklist.