As a REMINDER ..of the post by Tod Daniels ...
ATTENTION MEMBERS IN BANGKOK, NONTHABURI & SAMUT PRAKAN
ALL immigration offices in the above listed three provinces will be closed due to the APEC Summit the following days;
Wednesday, Nov 16th
Thursday, Nov 17th
Friday Nov 18th
Bangkok;
-Main Immigration office Chaengwattana Road
-IT Square Laksi Plaza
-Cham Churi Square One Stop Service Center
Nonthaburi;
-Main office on Soi Ruam Mit
Samut Prakan:
-Main office on Thepharak Road
TLDR : Answer Summary
All immigration offices in Bangkok, Nonthaburi, and Samut Prakan will be closed on November 16th, 17th, and 18th for the APEC Summit. It is advised that if your immigration stamp date falls during these closures, you should visit the immigration office before or on the first working day after the closure to avoid overstay fines, although an overstay stamp may still be registered.