andy9469

1 has to get the extension of stay. Then you need proof that you are legally married translated and certified by the Thai foreign ministry. Then the partner can get an extension of stay without any financial requirements. 2.19 In the case of being a family member of a Thai resident (applicable only to parents, spouse, children, adopted children, or spouse’s children): Each permission shall be granted for no more than one year. (1) The alien must have been granted a nonimmigrant visa (NONIM). (2) The alien must have proof of relationship. (3) In the case of spouse, the relationship must be de jure and de facto: or (4) 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 except in case of the person hereof is of illness or disability and cannot live without support of father or mother: or (5) In the case of parents, the father or mother must be 50 years of age or over.

As you have a work permit, I guess you have a NON-IM B visa. I think you can extend your stay based on this visa 'In case of being a family member of a Thai national'. The requirement says only NON-IM Visa.