What documents do I need for my one-year extension for a Non-O visa based on marriage in Thailand?

The user is seeking clarification on the required documents for a one-year extension of their Non-O immigrant visa based on marriage. They mention living in a condo under their wife's name and paying utilities from her account. Several commenters highlight the importance of having a TM30 filed, suggest visiting the immigration office together with their wife for clarity, and mention that utility bills are generally not required for the extension. They also emphasize the need for various documents including a rental contract and a letter confirming marital status.