CFR›Title 18›Chapter I›Part 40 ContainsSections 40.1–40.3CorpusDaily eCFRDisplayed edition2026-05-12Last updated2026-05-12 PART 40—MANDATORY RELIABILITY STANDARDS FOR THE BULK-POWER SYSTEM Sections 40.1 § 40.1 Applicability. 40.2 § 40.2 Mandatory Reliability Standards. 40.3 § 40.3 Availability of Reliability Standards. Authority16 U.S.C. 824o.SourceOrder 693, 72 FR 16598, Apr. 4, 2007, unless otherwise noted. Previous 39 Part 39—Rules Concerning Certification of the Electric Reliability Organization; and Procedures for the Establishment, Approval, and Enforcement of Electric Reliability Standards Next 41 Part 41—Accounts, Records, Memoranda and Disposition of Contested Audit Findings and Proposed Remedies