Is there a passport validity requirement for a yearly Non-O Visa extension based on marriage in Thailand?

When applying for a yearly Non-O Visa extension based on marriage in Thailand, there isn't a strict requirement to have at least 6 months remaining on your passport before it expires. However, it's important to note that the extension will only be valid until the end date of your current passport. Therefore, if your passport is close to expiring, it's advisable to renew it to avoid the need for reapplying for a new extension once the new passport is obtained.