47 U.S.C. § 399

Support of political candidates prohibited

No noncommercial educational broadcasting station may support or oppose any candidate for political office.

( June 19, 1934, ch. 652 , title III, § 399, as added Pub. L. 90–129, title II, § 201(8) , Nov. 7, 1967 , 81 Stat. 368 ; amended Pub. L. 93–84, § 2 , Aug. 6, 1973 , 87 Stat. 219 ; Pub. L. 94–309, § 7 , June 5, 1976 , 90 Stat. 685 ; Pub. L. 97–35, title XII, § 1229 , Aug. 13, 1981 , 95 Stat. 730 ; Pub. L. 100–626, § 10 , Nov. 7, 1988 , 102 Stat. 3211 .)