The short answer
Sending money abroad comes with US consumer rights, and carrying cash comes with reporting limits. The CFPB says you can generally cancel a transfer within 30 minutes and report errors within 180 days. You must report more than $10,000 in cash when you enter or leave the US. Thailand asks you to declare foreign currency above USD 20,000. We flag the few points we could not confirm.
Sending money abroad
The CFPB describes rights for money sent from the US to another country. The provider must show the fees and taxes, the exchange rate it uses, the amount that arrives, and the date the money will be available. You have up to 30 minutes to cancel at no charge, unless the money was already picked up or deposited.
You have 180 days to tell the provider about a mistake. The provider generally has 90 days to investigate. The CFPB does not rank providers, and neither do we.
Cards and ATMs
The CFPB says some prepaid cards charge foreign transaction fees. An FDIC consumer newsletter from summer 2018 says a credit card cash advance at an ATM can bring hefty fees, and a debit card may cost you less. Look up your own bank's fee list before you leave.
Carrying cash across borders
US rule
Customs and Border Protection says you must report amounts over $10,000 when you enter or leave the US. You file FinCEN Form 105. The limit covers the total carried by one person, or by people traveling together.
Thai rule
The Royal Thai Embassy in London says foreign currency worth more than USD 20,000 must be declared to Customs. It lists a baht limit of 50,000 for most destinations and 500,000 for neighboring countries. It says a false or missing declaration is a criminal offense. That page was last updated in November 2022, so confirm the current limits.
Visa-free visitors may also be asked to show 20,000 baht in cash at entry. See our arrival checklist.
Reports and taxes
The IRS says you file a foreign bank account report (FBAR) when your foreign accounts exceeded $10,000 at any time in the year. It is due April 15, with an automatic extension to October 15.
The Thai Revenue Department says a resident, someone who stays in Thailand about 180 days or more in a year, pays tax on the foreign income brought into Thailand. A Revenue Department manual from November 2025 says this includes income remitted since January 1, 2024. We give more detail in our moving checklist.
Thai bank accounts
We found no Bank of Thailand page on what foreigners need to open an account. Banks set their own rules, and two banks' pages suggest a non-immigrant visa. Ask the bank before you move.
What we could not confirm
- Thai currency limits. The Customs page was blank when we checked, and we did not open the Bank of Thailand notice. The limits above rest on one embassy page updated in 2022.
- Carrying less than $10,000. We saw CBP's wording on this only in a search summary, so we don't state it.
- Paying in dollars instead of baht at a card machine. We found no CFPB, FDIC or FTC page on it.
- Thai ATM fees and foreign card fees. No official figures found. Check with your bank.
- The 180-day wording. One Revenue Department page says more than 180 days and another says at least 180. Ask the Revenue Department about days close to the line.
- Income earned before 2024. We saw the exact wording only in a search summary.
- Providers. We don't compare transfer services or their rates on this page.
What to sort out next
Questions people ask
How much cash can you take to Thailand?
US rules say to report more than $10,000 to CBP when you enter or leave the US. An embassy page updated in 2022 says Thailand wants foreign currency over USD 20,000 declared to Customs. It lists a baht limit of 50,000 for most destinations. Confirm the current limits with Thai Customs.
Can you cancel an international money transfer?
The CFPB says you generally can cancel within 30 minutes after you send it, at no charge. That does not apply if the money was already picked up or deposited. You have 180 days to tell the provider about a mistake, and the provider generally has 90 days to investigate.
Do you report a Thai bank account to the IRS?
Possibly. The IRS says you file an FBAR when your foreign accounts exceeded $10,000 at any time during the year. The report is due April 15, with an automatic extension to October 15. Ask a tax adviser whether your accounts count and how to file.
Is money you bring into Thailand taxed?
The Thai Revenue Department says a resident pays tax on the portion of foreign income brought into Thailand. A resident is someone who stays about 180 days or more in a year. A 2025 manual says income remitted since January 1, 2024 counts. Ask a tax adviser about your case.
Do cards charge fees abroad?
The CFPB says some prepaid cards charge foreign transaction fees. An FDIC newsletter from 2018 says a credit card cash advance at an ATM can bring hefty fees, and a debit card may cost less. Check your own bank's fee list, since we found no official figures for Thailand.
Verdict
Moving money has three parts: sending it, carrying it, and reporting it. The US pages are clear on the 30-minute cancel window, the $10,000 cash report and the FBAR. The Thai currency limits rest on one embassy page from 2022, so confirm them before you carry large amounts. For taxes on money you bring in, talk to a tax adviser who knows both countries.
Sources
- CFPB: What is a remittance transfer and what are my rights? (reviewed Oct 2024)
- CFPB: Sending money (Dec 2024)
- CFPB Circular 2024-02 (Mar 27, 2024)
- CFPB: Can I use my prepaid card outside the US? (Jan 2025)
- FDIC Consumer News, summer 2018
- CBP: Money and monetary instruments (Nov 24, 2025)
- CBP: Know before you go, traveling abroad (Aug 25, 2025)
- Royal Thai Embassy, London: bringing currency in and out of Thailand (Nov 30, 2022)
- IRS: FBAR (Jul 30, 2026)
- Thai Revenue Department: income from abroad (Mar 21, 2024)
- Thai Revenue Department: guide to tax on income from abroad (Nov 2025)
Rules shift often. We checked these pages on October 16, 2026. This page is general information, not legal, tax or financial advice.