I have lived and worked in Thailand on a non emigrant B visa since 2012. I have dual citizenship but i don't plan to renew the passport which holds the current visa that expires later this year. I will stop working and apply for a retirement visa using my second passport. Will I be able do that from here or will I have to exit Thailand and return on the Passport that I wish to keep and use for my retirement visa? And if so what would be the procedure from there. Thanks in advance