The core 43 CFR Part 3160 series regulations govern all exploration, development, and production operations of oil and gas deposits on leases issued or approved by the United States.

43 CFR Subpart 3170 defines Condition of Approval, explains the regulatory variance request process, and stipulates applicable federal recordkeeping requirements.

§ 3171 states the minimal requirements for approval of drilling, oil and gas and service well proposals, certain subsequent well operations, and abandonment.

§ 3172 details uniform national standards for the minimum levels of performance expected from lessees and operators when conducting drilling and abandonment operations.

§ 3176 sets out regulations and procedures aimed at protecting the health and safety of workers and the environment in areas where H2S may be encountered.

NTL-3A reinforces mandatory reporting requirements of undesirable events such as equipment failures or accidents that result in blowouts, death, discharges, fires, spills, and venting.