BANGKOK, THAILAND – A German spouse-visa holder in Bangkok reported being denied a bank account, exposing ongoing confusion over documentation for foreign residents.
Spouse visa holder turned away at Thai bank
A newly arrived foreign resident with a Non-O spouse visa said he had tried to open a local bank account last week, a step required for his planned one-year extension of stay in May. His first attempt at a branch of Siam Commercial Bank ended without success.
According to his account, the counter staff immediately demanded a Thai work permit and an address certificate from a telephone provider. As a Non-O spouse visa holder, he was typically not entitled to work and therefore did not have a work permit, a fact the employee appeared not to recognize. The customer left the branch without an account and described his situation as a dead end.
Address proof complications in a rented Bangkok home
The expatriate also faced complications over proof of address. His Thai wife rented an apartment in Bangkok, but the lease was in her name only, leaving him without a tenancy contract showing his own name.
After his arrival, the landlord submitted the legally required TM30 notification and handed him the receipt. The newcomer questioned whether this TM30 slip would be accepted by banks as sufficient proof of address or whether he would instead need an official residence certificate from the authorities.
Uncertainty over TM18 and TM20 immigration forms
The man also reported confusion about which immigration form applied to his case. On the immigration authority’s website, he found references to forms TM18 and TM20 and asked which one he should use.
He said he was seeking advice from other readers before filing his application for an extension of stay in May. He signed his letter as a “confused emigrant” and appealed for practical guidance from fellow foreigners in Thailand.
Editorial clarification on deposit, forms and documents
In an editorial note, the publication corrected a key point regarding the financial requirement. It stated that the required security deposit for the Non-O spouse-based extension amounted to 400,000 Thai baht, not US dollars, and that this sum had to remain uninterrupted on a Thai bank account in the applicant’s name for at least two months before the annual extension. A regular savings account with passbook was described as sufficient for this purpose.
The editors added that, at most banks, a TM30 receipt alone did not count as adequate address proof. Instead, applicants in Bangkok generally needed an official residence certificate issued at Immigration Division 1 in Chaeng Wattana, Building B, using form TM18. Form TM20 was indicated as being used only in cases of loss.
Residence certificate process and tips for rejected applicants
For the residence certificate, the editorial advice listed several documents to bring: passport, TM30 receipt, a copy of the wife’s rental contract, the marriage certificate and two passport photos. All signatures on the paperwork should be made in blue ink, according to the guidance.
The editors also encouraged applicants who had been turned away at one branch to try another. Branches in areas with a high concentration of expatriates were said to be more familiar with the Non-O visa and its specific conditions.
Readers were invited to share similar experiences with opening bank accounts in Thailand. The publication noted that such practical reports often helped newcomers more than any official guide and cited information from the Thai Immigration Bureau, ThailandLawOnline, GEOSThai and ExpaterDen for the 2025/2026 period.