CONFIRMED: Foreigners now need to keep 800k in Thai bank for three months AFTER retirement extension is granted   Immigration chief Police Lieutenant General Surachet Hakpal//File photo   Thai immigration have announced a major change regarding the financial requirements needed when applying for an extension of stay based on retirement, often referred to as a retirement visa.   Confirmed in police order No. 35/2561 obtained by Thaivisa, foreigners who apply fo