So I still need to do the TM30 report but no closer to finding out how to obtain the TM arrival card number, as they take arrival card on arrival at airport, so I will go to Changwattana Embassy to find out...
TLDR : Answer Summary
The user is seeking information on how to obtain their TM arrival card number, which is necessary for completing the TM30 report. They mention that the arrival card is collected at the airport upon entry into Thailand and plan to visit the Changwattana Embassy for further assistance.