if u live in Phuket , even staying at a hotel for one night ( and they register you) and of course returning form overseas, you need to file a NEW TM 30 even if ur at the same address for the past decade
found that out 3 weeks ago when i went for a cor, seems i was still staying in Betong LOL
no big deal, filed a new one ( had all paperwork with me) and than got the cor , no fine
every immigration has its own rules< check to be sure