What are the steps to extend an O A visa in Nonthaburi?

The conversation revolves around extending an O-A visa in Nonthaburi, sharing tips on ensuring compliance with insurance requirements and timing. Key points include the necessity for valid year-long insurance to avoid a short extension, the importance of understanding whether the Non-OA Visa or the permission to stay stamp is expiring, and the suggestion to visit the Immigration Office for up-to-date requirements. Additionally, it is advised to start the extension process at least 30 days in advance and to consider options between extending in-country versus doing a border bounce.