You should be able to open a bank account yourself, even if you are on a tourist visa or visa exempt stamp. All banks have different requirements. All branches have different requirements. Even within a branch two staff members may give very different answers. Find a branch of the bank you want (I use Bangkok Bank in Doi Saket), in an area with lots of foreigners. Go to the bank with your passport and a friend who holds an account at that branch. Have 100,000 thb to deposit. Should work but many banks/branches will also require a certificate of residence from Immigration. But instead, you could offer a letter from your hotel/ hostel/ Airbnb/ friends house stating that you stay there. Doi Saket Bangkok will work with that.

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Thailand to implement stringent compliance regulations for new bank accounts - Thailand Business News (thailand-business-news.com)

Same sex is marriage is being discussed by the Thai Goverment but is still not recognised. Please do not blame me for Thai legislation.

@Alma **************

Not recognised.

@John *******

If you are living overseas, that you clearly be fraud. If they found out you would be prosecuted and lose the money.

@David *********

Yes, residency is just one of the requirements.

@Matthew ******

Correct. I assisted a Thai lady to get a reversionary pension from CSC ( of his pre commutation DFRDB pension) after her ex RAAF husband passed.

@David *********

Citizenship is not one of the requirements for aN Australian pension.

@Paula ********

Crap. A Thai marriage (with notarised translation of the Thai marriage certificate) is legal in Australia. It is illegal to marry in Australia if you are already legally married.

@Arnold *********

Wrong. Citizenship is not a requirement.