(ก) The Principal shall pay the GSA sales commission of 4% of Passenger Sales (Nett fare) made in the territory excluding internet sales & airport area.
(ข) The commission to be calculated on the basis of ticketed sale (excluding fuel surcharge & taxes), and be deducted at source by the GSA.
(ค) If 7C increases flight frequency to Bangkok, the above described commission would be decreased by negotiation between the Principal and GSA.