Since October 2017, all owners of quadrocopters and other unmanned aerial vehicles (drones) are required to register their devices with the National Television and Radio Commission of Thailand (NBTC). In case of violation of the order, Thai law provides for a penalty of up to five years in prison and / or a fine of up to 100 thousand baht (about 3 thousand US dollars). Mandatory gala dinner fees may apply at Thailand hotels. Guests should contact the hotel directly for more information. Under the new immigration procedures, effective May 1, 2025, all foreign nationals entering Thailand by air, land or sea must complete the Thailand Digital Arrival Card (TDAC) online form on the official website of the Bureau of Immigration of Thailand three days prior to arrival. Check-in after 06:00 PM is subject to a surcharge of THB 500.00. Payment for electricity: THB 7.00 per unit; the calculation is made at the end of the period according to the counters. Payment for water: THB 40.00 per cubic meter; the calculation is made at the end of the period according to the meters.