What are the address proof requirements for a 90-day Non-O (Retirement) visa at the Chiang Mai immigration office?

When applying for the 90-day Non-O (Retirement) visa in Chiang Mai, the requirements for proof of address can vary by immigration office. It is advised to check directly with the Chiang Mai immigration office for their specific requirements. In general, having a TM-30 may be part of the necessary documentation, but you could also need a copy of your rental agreement with your landlord. For clarity and compliance, visiting the office to obtain their official guidelines is recommended.