What are the requirements for applying for a multi-entry Non-O visa in Savannakhet as a spouse of a Thai citizen?

The individual inquiring plans to apply for a multi-entry Non-O visa in Savannakhet based on marriage to a Thai citizen, looking to stay for a year by re-entering every three months. They seek clarity on requirements, such as necessary documentation (including original documents), whether their spouse must accompany them, and any additional advice regarding the process. Responses indicate that a signed copy of the wife’s ID card, tabian baan, and marriage certificate are needed, with emphasis on bringing originals. It’s noted that the spouse does not need to be present during the application process. Tips on timing and potential challenges at the consulate were also shared.