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. This property will not accommodate hen, stag or similar parties. Please inform Thanaponsiri House in advance of your expected arrival time. You can use the Special Requests box when booking, or contact the property directly with the contact details provided in your confirmation. Due to Coronavirus (COVID-19), this property adheres to strict physical distancing measures. Due to Coronavirus (COVID-19), please ensure that you are only booking this property following the local government guidelines of the destination, including but not limited to the purpose of travel, and maximum allowed group size. Guests need to meet one or more requirements to stay in this property: proof of full Coronavirus (Covid-19) vaccination, a recent valid negative Coronavirus PCR test, or recent proof of Coronavirus recovery. Managed by a private host