Do I need a TM30 to extend my tourist visa at Blue Tree immigration in Phuket?

The user is seeking advice on whether a TM30 is required to extend their tourist visa at the Blue Tree immigration branch in Phuket. The accommodation owner claims to have handled it, but the user is uncertain due to the lack of proof. Comments suggest it's prudent to carry a TM30, even if it's not requested, as it may be needed for the extension process.