The fee for application is 1,900Baht.
18.Visa Extension - In the case of being a family member of a Thai national
In the case of being a family member of a Thai national (applicable only to parents, spouse, children,
adopted children, or spouse’s children):
Criteria for Consideration
The alien must have been granted a non-immigrant visa (NON-IM).
The alien must have proof of relationship.
In the case of spouse, the relationship must be de jure and de facto; or
In the case of children, adopted children, or spouse’s children, said children, adopted children,
or spouse’s children must not be married, must live with the alien as part of the family, and must not
be over 20 years of age; or
In the case of parents, the father or mother must maintain an average annual income of no less
than Baht 40,000 per month throughout the year or must have deposited funds of no less than Baht
400,000 to cover expenses for one year.
For other necessary cases, the Commissioner or Deputy Commissioner of Immigration Bureau
is granted the authority to make decisions regarding approval on a case-by-case basis.