A: No, IATA Tact Rates are not mandatory, but they are widely adopted by airlines and air cargo handlers.
IATA publishes TACT in several formats:
IATA Tact Rates are a set of standardized rates for air cargo transportation, published by IATA. The term "TACT" stands for "Terminal Aerodrome Control Tariff," which refers to the rates and charges applied to air cargo transported through airports. IATA Tact Rates cover a wide range of air cargo services, including passenger and cargo flights, as well as mail and express shipments. iata tact rates free download
Here is a practical workflow for professionals who need rates but cannot afford TACT: A: No, IATA Tact Rates are not mandatory,
Join a freight forwarder network (entry fees can be as low as $500/year) and use their rate database. IATA Tact Rates are not mandatory