Additional provisions in the section as enacted by act June 10, 1920, directing the commission to investigate the cost and economic value of the power plant outlined in project numbered 3, House Document numbered 1400, Sixty-second Congress, third session, and also in connection with such project to submit plans and estimates of cost necessary to secure an increased water supply for the District of Columbia, have been omitted as temporary and executed.

1986—Subsec. (a). Pub. L. 99–495 inserted “original” after “hereunder or” and substituted “issued,” for “issued and in issuing licenses to new licensees under section 808 of this title”.

1968—Subsec. (c). Pub. L. 90–451 added subsec. (c).

1935—Act Aug. 26, 1935, § 205, amended section generally, striking out “navigation and” before “water resources” wherever appearing, and designating paragraphs as subsecs. (a) and (b).

Amendment by Pub. L. 99–495 effective with respect to each license, permit, or exemption issued under this chapter after Oct. 16, 1986, see section 18 of Pub. L. 99–495, set out as a note under section 797 of this title.