Regulations and Enforcement

Acts, Regulations, Orders, Notice to Lessees

Onshore Oil & Gas Regulations (43 CFR)

National Onshore Oil and Gas Operating Orders

National Notice-to-Lessee(s) (NTLs)

Colorado Notice-to-Lessee(s) (CO-NTLs), and Information Bulletins

District and Field Office NTLs

Surface Operating Standards ( Gold Book )