When should I apply for an extension on my NON O retirement visa before it expires?

The earliest date you can apply for an extension of your NON O one-year retirement visa, which expires on May 8th, is April 9th. Most immigration offices allow applications up to 30 days in advance, but some, such as those in Bangkok, Chiang Mai, and Phuket, may allow 45 days. It's recommended to check with your local immigration office for specific policies. Additionally, ensure that you maintain the 800,000 Baht in your account for at least two months prior to your application.