Do I need a TM30 form for a 30-day extension at Chaengwattana immigration office?

The user inquired about the necessity of a TM30 form when seeking a 30-day extension for a 60-day SETV at the Chaengwattana immigration office. Various comments clarified that tourists typically do not need a TM30 form as hotels usually register their guests with immigration on their behalf. The user was advised to bring necessary documents including passport copies and a filled TM.7 form without needing to show TM30. Confirmation was also provided on the location, mentioning it is at Division 1 on the second floor of the immigration office.