The bank account survival checklist: FATCA, CRS, and the SE Asia expat

On 25 May 2025, Bangkok Bank began freezing existing foreign accounts that were not held by long-term visa holders, Thai spouses, or property owners. Four days earlier, four bank employees had been arrested in Pattaya for opening 15 accounts for tourist-visa foreigners. The Bangkok Post reported THB 100 million had moved through them. Thai authorities cited estimated total scam losses of approximately THB 2.2 billion. The Destination Thailand Visa, sold throughout 2024 as the convenient bridge to long-term residence, was confirmed as not qualifying for the new threshold.

This is what the FATCA and CRS era looks like at street level. The compliance regime is global; the enforcement is local; the consequence is your money frozen in an account you opened in 2019 because the brochure said it was easy.

The regime, the way it actually bites

FATCA, the US Foreign Account Tax Compliance Act, runs through bilateral Inter-Governmental Agreements. The OECD Common Reporting Standard, CRS, runs through automatic exchange of tax-residency-based account data across approximately 120 participating jurisdictions and about 2,700 bilateral exchange relationships, with the April 2025 Consolidated Text extending scope to e-money, central bank digital currencies, and crypto-asset investment vehicles.

For the SE Asia expat, the geography matters. Thailand began CRS exchange in September 2023; first domestic reporting deadline 30 June each year; non-compliance penalty for entities up to THB 200,000 plus imprisonment (Royal Act for Exchange of Information B.E. 2566, 30 March 2023). Singapore, Malaysia, and Indonesia have been CRS-exchanging since 2018. The Philippines is not CRS-participating; the FATCA IGA signed 13 July 2015 has remained without Senate concurrence through the most recent public commentary (May 2023). Vietnam is not CRS-participating and has only committed in principle. Cambodia signed a Model 1 FATCA IGA on 14 September 2015 but is not CRS-participating.

Laid on one clock, the last three years stop looking like a set of separate national announcements and start looking like what they are: a single ratchet, tightening from both ends at once.

Nothing on that clock was aimed at a retired man in Hua Hin. The Act was aimed at tax evasion, the April 2025 text at crypto, the May 2025 freeze at a scam syndicate running accounts through four bribed branch employees. He is not the target of any of it. He is the sediment it settles on, which is a different and worse position to be in, because nothing that was never aimed at you is ever going to be relaxed on your account.

The implication for the expat reading this: your account in Bangkok, Kuala Lumpur, Singapore, or Bali is reportable to your home tax authority. Your account in Manila, Phnom Penh, or Ho Chi Minh City is not, for now, under CRS, but is under FATCA if you are a US person, and the host bank still acts on the recalcitrant-account-holder framework. ABA Bank Cambodia’s General Terms and Conditions version 5.0 (effective 5 December 2025) require US persons to notify the bank within 30 days of any change making FATCA criteria applicable; non-compliance classifies the holder as recalcitrant and the bank withholds 30% on US-withholdable payments. The bank tells you because the regulator tells the bank.

The home-country closure trigger map

You moved. Your home-country bank may not move with you.

The Australian read deserves a separate note. Non-resident withholding on interest is 10% with an overseas address registered, 47% without. Non-resident income tax runs 30% from the first dollar up to AUD 135,000. There is no tax-free threshold. The expat who keeps an Australian account and lets the ATO assume Australian residency is paying 30% on a balance the receiving Thai bank also reports to Canberra. From August 2025, UK DWP requires annual bank-detail verification for pension payments; overseas accounts are permitted via IPC BR1 with IBAN/BIC but verification can be slower for non-UK accounts.

The receiving-country reality

You arrived. The local bank may not be willing to open the account.

Read the two Thai lines together and something shows through that neither shows alone. Kasikorn’s terms for the LTR holder are published by the Thai government itself, on the Board of Investment’s own visa site: walk into any branch, no appointment, with a passport, the visa stamp, a BOI endorsement letter and an evidenced address. SCB publishes terms too, and what it publishes for a foreigner is “a passport and work permit”. A retired man holds no work permit. He is not refused by SCB’s document list; he is simply not described by it, and what happens next is a branch officer’s judgement about whether the list means what it says. Retirees do open SCB accounts. They do it in the gap between the published rule and the practised one, which is a comfortable place to stand right up until the week somebody decides to close it — which is precisely what Bangkok Bank did in May 2025 to people who had been standing in that same gap for years.

The Vietnam line is the most punishing. The 90-day e-visa, sold as the entry path for a “look-around” retirement scout, does not open a Vietnamese bank account beyond a stripped Non-Resident VND Payment Account with no investment products and no FX hold (cross-link: Vietnam has no retirement visa, the 90-day treadmill). The Thai DTV (180 days), pitched throughout 2024 as the new flexible path, fails the new-account threshold at Bangkok Bank (the DTV as a budget retirement hack and its tail risks). The Philippine SRRV at the new 2025 deposit and fee schedule remains the path of least friction for a Philippine bank account (the SRRV 2025 deposit and fee rewrite).

For the broader country files, see the cost of aging in Phnom Penh (Cambodia banking NPL and dollarisation), the cost of aging in Ho Chi Minh City, and the visa-income files.

The Wise question

Wise is not a bank. The point matters because the brochures describe it like one.

Wise is a licensed electronic money institution. USD balances are swept to a Program Bank (currently JPMorgan Chase) and receive FDIC pass-through coverage up to USD 250,000, but only on swept USD; EUR and GBP balances receive FDIC pass-through up to USD 250,000 combined only if the user opts into the interest feature. Send caps for a fully verified US-routing personal account: USD 50,000 per day by ACH, up to USD 1,000,000 per transfer by wire (no daily wire cap), and an annual ceiling near USD 1,000,000. Receiving limits on 026 routing run USD 20M/day; 084 routing has no receive limit.

The operational implication: Wise is a money-movement tool, not a balance store. Money in transit between a home-country bank and an SE Asia primary bank is what the entity is built to hold. Money that stays there is the month’s living costs held at an institution that is not FDIC or FSCS insured at the entity level, behind a verification step, in a wrapper the brochures describe as a bank account. The Schwab One International account is similar in function but routed through a registered broker-dealer under SIPC rather than deposit insurance; no minimum deposit for individual or joint accounts; W-8BEN required for foreign tax residency.

The 3-tier stack

The arithmetic that works for an aging SE Asia expat is a three-tier banking stack with explicit redundancy.

Tier 1 — Home-country retention. Pension landing pad. SDFCU (US, no fee, foreign address accepted via ACA/AARO), HSBC Expat (UK, Jersey-held), retained ANZ or CommBank (Australia, with foreign-resident tax election). The power-of-attorney layer attaches at this tier first, because this is the tier the home-country institutions recognise.

Tier 2 — SE Asia primary. Local bank tied to your visa class. THB, PHP, or IDR holding for daily living. Separate FX-account where the regulator allows (Philippines BSP allows USD savings at all major banks; Cambodia operates de facto USD even where the regulator pushes the riel). A Tier 2 bank that holds the visa class on file, the local-language will record, and a designated representative named on the signature card is a bank that can be dealt with by someone other than the holder. That is not the default configuration of a foreigner’s Thai account; it is a configured one.

Tier 3 — International float. Wise multi-currency, Schwab One International, or both. Movement, conversion, low-friction transfers. Not a holding tier: what sits above operational float in Tier 3 is savings kept at an entity that is not a bank.

What the stack is actually buying is not yield or convenience. It is duplicated signing authority — a designated representative with a notarised power of attorney enforceable in each jurisdiction where a tier sits. Every tier that has only one person who can operate it is a tier that stops when that person does. That is the failure mode the brochures never mention, and it is not a diversification question.

The death and dementia failure modes

Thai banks freeze accounts on notification of death. Release of funds requires a Thai court order obtained through probate; probate without a Thai-language will typically takes several months to over a year. The foreign will does not automatically operate in Thailand: it must be re-proved through the Thai court. The Philippine, Cambodian, and Vietnamese frameworks differ in form but converge in effect: the account is locked and the family waits.

The dementia failure mode is quieter and more common. The expat with progressive cognitive impairment misses the annual bank-detail verification. The DWP pension stops landing. The Charles Schwab dividends pile up uncashed. The Tier 2 Thai account dormancy triggers. The Tier 3 Wise account hits a verification step the holder cannot complete unaided. The caregiver, alerted late, discovers that the signing-authority layer was never set up because the brochures did not mention it and the holder did not want to think about it.

For the broader paperwork architecture, see the incapacity paperwork trap, SPA, POA, and dementia. The FBAR exposure layer: Bittner v. United States (2023) limited non-willful penalty to per-form (USD 16,536 each in 2025); willful exposure remains the greater of USD 165,353 or 50% of the account balance per violation. Which of those two bands applies turns on a willfulness finding made after the fact, and the holder whose capacity has gone is not present for the finding.

What the survival checklist actually looks like

The paperwork the regime assumes is already in place before departure is the home-country layer, and the window in which it can still be done cheaply closes the day the address on file becomes foreign. A W-8BEN lodged with Schwab International, an SDFCU account opened under the ACA or AARO partnership, an HSBC Expat account opened while the eligibility test is still met, a tax-residency certificate requested while the home revenue authority still treats the applicant as its own — each of those is a form beforehand and a negotiation afterwards. What the exceptions turn on is not the customer’s arrangement of his affairs. Barclays lists Crown employment, an absence under six months with stated intent to return, and a UK-resident managing agent; that list is the bank’s, published by the bank and revisable by the bank.

On arrival the clock is the visa, not the calendar. Bangkok Bank’s threshold since 25 May 2025 is the long-term visa itself, which makes the tourist-visa arrival followed by a later upgrade precisely the sequence the bank now declines — the account-opening window opens when the visa is issued, and the DTV does not open it. FATCA status asked and answered at onboarding costs a signature. The recalcitrant classification costs 30% withholding on US-withholdable payments and an administrative posture that does not improve with time.

The first year is where the succession layer either exists or does not: a local-language will lodged with the Tier 2 bank, a local power of attorney enforceable in the host jurisdiction lodged with both tiers, a home-country power of attorney enforceable at home lodged with Tier 1. The FBAR obligation attaches in the first calendar year in which the aggregate across foreign accounts crosses USD 10,000 at any point — the year it is crossed, not the year it is noticed.

After that the cycle is annual, and the annuality is the point. Tier 1 pension landing details verified against the DWP request. The W-8BEN refreshed as required. Tier 3 balances above operational float returned to a bank. Tier 2 visa-class compliance still matching the visa actually held. The FBAR filed. The Form 8938 filed where the thresholds are met. Not one of those is difficult. All of them are annual, and difficulty was never the failure mode.

The system was not designed for the 71-year-old in Chiang Mai whose Barclays UK letter says six months and whose Bangkok Bank account froze last May. It was designed for terror financiers and tax evaders, and his footprint matches theirs closely enough for the pattern-match to fire. That asymmetry is the whole of it: they are pursued, and he re-proves he is not one of them — annually, in the correct forms, for the rest of his life.