What documentation do I need for my 1-year extension of stay based on marriage to a Thai national when the rental agreement is in my wife’s name?

The post discusses the documentation needed for applying for a 1-year extension of stay based on marriage to a Thai national, especially regarding the potential issue of a rental agreement in the wife's name. The community suggests that having a letter from the wife may be beneficial, but it is not mandatory. Additional advice includes following the immigration office's specific document requirements, bringing two sets of all necessary documents, and ideally having the wife present during the application process to assist with any questions or missing documents.