Law on the Subsoil and Regulations of the Cabinet of Ministers, defining the hydrocarbon licensing procedures in Latvia, determine the function of Agency – geological supervision of hydrocarbon prospecting, exploration and production operations: expert evaluations of work programmes, geological control during the implementation of projects, preparation of expert conclusions etc.) during all stages (Prospecting, Exploration and Production) of oil operations.

The task of geological supervision, is safeguard the Latvian state interests during oil exploration and production, ensuring rational use of natural resources and state geological supervision of the use of subsoil, in accordance with the Law on the Subsoil.