If you are an expat in the Sisaket province of Thailand then Thai Immigration in Sisaket will be able to ensure that your 90 day reporting is done. You can also extend you visa such as a marriage visa or a retirement visa. you can also extend your tourist visa for another 30 days.
Before you extend your visa ensure that you meet the requirements for the Thai retirement visa and if you are married to a Thai then also ensure that you meet the requirements of the Thai marriage visa while in Thailand. You can apply for a Thai visa at the Thai Embassy in Cambodia as you can travel from Sisaket to Cambodia very easily.
Thai Immigration in Sisaket
No. 305 Moo 3, OTOP Center PAO. Bypass Road, Tambon Nong Muang Si Sa Ket
Opening Hours: 8:30am-4:30pm Monday to Friday
Service Area: Sisaket Province