CFR›Title 18›Chapter I›Part 2›Subject Group Non-Mandatory Guidance on Smart Grid Standards ContainsSection 2.27CorpusDaily eCFRDisplayed edition2026-05-28Last updated2026-05-28 Sections 2.27 § 2.27 Availability of North American Energy Standards Board (NAESB) Smart Grid Standards as non-mandatory guidance. Previous Appendix C to Part 2 Appendix C to Part 2—Nationwide Proceeding Computation of Federal Income Tax Allowance Independent Producers, Pipeline Affiliates and Pipeline Producers Continental U.S.—1972 Data (Docket No. R-478) Next Rules of General Applicability Rules of General Applicability