What documents and fees are required for a 30-day extension at the Samui immigration office?

To extend your stay for 30 days at the Samui immigration office, you'll need to provide: a signed copy of your passport data page, a signed copy of your entry stamp, a signed copy of your TM6 departure card (if issued), a completed TM7 form (available at the office), a passport photo, and 1,900 baht for the fee.