What should I bring for my first 90-day retirement visa report at Samui immigration?

For your first 90-day reporting at the immigration office in Samui with a retirement visa, you only need to bring your passport. There is no fee for this process. It's advisable to fill out the TM.47 form, which is the notification of 90-day report, and you can obtain this form at the immigration office. You can perform the report in person anytime from 15 days before your due date to 7 days after.