Imagine this one is ripe for abuse.
Evidently there was a blockade/protest at SBIA/BKK on Thursday, the Transport Ministry immediately caved. Assume they'll pull the same thing to get an increase in the fee (from 50 baht to 70/90 baht).
Transport Ministry succumbs to increase in luggage charges for airport taxis
In a statement, the president of the Thai Public Taxi Association, Pallop Chayinthu, says that under the agreement, drivers will accept two pieces of luggage for free and only additional items measuring more than 26 inches will incur the 20 baht surcharge.
https://thethaiger.com/hot-news/tran...-airport-taxis
https://www.nationthailand.com/news/30378142