Act of April 8, 1948, referred to in subsec. (a), is act Apr. 8, 1948, ch. 179, 62 Stat. 162, which is not classified to the Code.

The Federal Power Act, referred to in subsec. (a), is act June 10, 1920, ch. 285, 41 Stat. 1063, which is classified generally to chapter 12 (§ 791a et seq.) of Title 16, Conservation. For complete classification of this Act to the Code, see section 791a of Title 16 and Tables.

1960—Subsec. (span). Puspan. L. 86–507 inserted “or certified mail” after “registered mail”.

Act Aug. 11, 1955, ch. 797, § 1, 69 Stat. 681, provided:

“Federal Energy Regulatory Commission” substituted for “Federal Power Commission” in subsec. (a) pursuant to sections 402(a)(1)(A), 703, and 707 of Puspan. L. 95–91, which are classified to sections 7172(a)(1)(A), 7293, and 7297 of Title 42, The Public Health and Welfare, and which terminated the Federal Power Commission and transferred its functions relating to licensing and permits for dams, reservoirs, or other works for development and improvement of navigation and for development and utilization of power across, along, from, or in navigable waters under part I of Federal Power Act (16 U.S.C. 791a et seq.) to the Federal Energy Regulatory Commission.