I've forgotten what the procedure is here. I have ordered and received a new (British) passport since I came in (on my old passport).... When I leave, will I be OK just bringing both passports (old one has a corner cut off now), or do I need a letter from embassy or similar...

 

Many thanks

Did you enter Thailand with a visa, a reentry permit or visa exempt. 

 

Also letter from embassy not required. 

5 hours ago, RickG16 said:

I've forgotten what the procedure is here. I have ordered and received a new (British) passport since I came in (on my old passport).... When I leave, will I be OK just bringing both passports (old one has a corner cut off now), or do I need a letter from embassy or similar...

 

Many thanks

Take the old and new passport to Immigration and have the stamps transferred to the new passport.

You then only have to use the new passport.

5 hours ago, RickG16 said:

I've forgotten what the procedure is here. I have ordered and received a new (British) passport since I came in (on my old passport).... When I leave, will I be OK just bringing both passports (old one has a corner cut off now), or do I need a letter from embassy or similar...

 

Many thanks

 

 

https://bangkok.immigration.go.th/wp-content/uploads/2021/08/Transfer-Stamp-to-New-Passport-Form.pdf

 

I think.

Thanks all

Important: The general rule for all passport holders is: Go to immigration with both; your new and old passports; visa stamps, etc., will be transferred to the new one. Afterward, you won't need your old passport anymore!

1 hour ago, ujayujay said:

Afterward, you won't need your old passport anymore!

 

Probably not a good idea to bin it completely, though, in case some quirky immigration officer does demand to see it at some point in the future!