This report examines the potential impact of Third Party Access (TPA) regulations on the gas transportation market in emerging nations. TPA is a key element of gas industry liberalization, aimed at fostering competition, improving supply efficiency, and strengthening energy security. However, TPA provisions can introduce competition, break incumbent monopolies, lower prices, and complicate service provision, potentially harming businesses. The report discusses various aspects of TPA services, including tariffs, capacity allocation mechanisms, congestion management procedures, balancing rules, and capacity trading. Understanding the impact of TPA provisions upfront can help players shape their strategy to reflect these changes and avoid potential detrimental impacts on their businesses.