FAQ Third Party Access System ‹ Third Party Access System What are the fees to be paid under TPA and by whom? The applicable fees are as prescribed in the Gas Supply Regulations 1997. Third Party Access System Will there be any limitation on the number of licences that can be obtained by a party? ↗ How will the Energy Commission ensure the existence of a level playing field? ↗ How will the Energy Commission ensure the existence of a level playing field? ↗