A good friend of mine needs his U.K. Marriage certificate stamped as a true copy by the UK embassy in Bangkok but they said they cannot stamp it as a true copy. Any ideas ? Thanks

For whom does he need this stamped copy and for what??

HL

For there local district office. I thinks it's for registering there child.

You may have to send it to London.

check this website: https://www.gov.uk/legalisation-document-checker

For there local district office. I thinks it's for registering there child.

Registering the birth of a child can be done at the British Embassy, they send the application off to the Uk and takes 3 months to come back (or did) when I did it cost 10,000 Baht including a British Passport you will get back a British Birth Certificate in Portrait mode,and a British Passport!

You need a English "Notary Public" to verify your English Marriage certificate. or send a family member to go to the British Registrar of Births Deaths and Marriages in your area,and get a stamped copy, or failing that ask their advice!