The Attorney General shall give his advice and opinion on questions of law when required by the President. 28 U.S.C. § 511 Added Pub. L. 89-554, §4(c), Sept. 6, 1966, 80 Stat. 612. HISTORICAL AND REVISION NOTE Derivation U.S. Code Revised Statutes and Statutes at Large 5 U.S.C. 303. R.S. §354. Feb. 27, 1877, ch. 69, §1 (8th full par. on p. 241), 19 Stat. 241.