1.) if anyone was married inside Thailand (Thai Marriage Certificate), then you need to get a Fresh Copy of KhorRor.2 ( คร.2 ) from any District Office (Amphur/Khet Office), or:
2.) if anyone was married outside Thailand (Foreign Marriage Certificate), then you need to get a Fresh Copy of KhorRor.22 ( คร.22 ) from any District Office (Amphur/Khet Office)
Form STM.10 is filled out by the Thai Citizen Child (or in the viewpoint of the Thai Citizen Child if the Thai Child is not yet of legal age)
if the Thai Child is not yet of legal age, then you as the Foreigner Parent would sign Form STM. 10 on behalf of the Thai Citizen Child, or the Thai Immigration Officer will give instructions for what to do
in Sections 1, 2, and 3, the Name/Details to specify are you as the Foreigner Parent
this Form STM. 10 is mandatory and used by all Thai Immigration Offices across Thailand
Form STM.10 is filled out by the Thai Citizen Child (or in the viewpoint of the Thai Citizen Child if the Thai Child is not yet of legal age)
if the Thai Child is not yet of legal age, then you as the Foreigner Parent would sign Form STM. 10 on behalf of the Thai Citizen Child, or the Thai Immigration Officer will give instructions for what to do
in Sections 1, 2, and 3, the Name/Details to specify are you as the Foreigner Parent
this Form STM. 10 is mandatory and used by all Thai Immigration Offices across Thailand