Section 2-503 - Establishment of procedures(a) The Mayor and the Council shall, for the Mayor and for each subordinate agency, establish or require each subordinate agency to establish procedures in accordance with this subchapter.(b) Each independent agency shall establish procedures in accordance with this subchapter.(c) The procedures required to be established by subsections (a) and (b) of this section shall include requirements of practice before the Mayor and each agency.Oct. 21, 1968, 82 Stat. 1205, Pub. L. 90-614, § 103, formerly § 4; Oct. 8, 1975, D.C. Law 1-19, title I, § 102(r), (s), 22 DCR 2051; renumbered, Mar. 29, 1977, D.C. Law 1-96, § 3(a), (c), 23 DCR 3744.The Law Effective Date Notice for D.C. Law 1-96, published on April 8, 1977, was incorrect and was corrected on June 3, 1977, and published at 23 DCR 9532b.