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Incorporation by reference of the publication now titled the Mailing Standards of the United States Postal Service, Domestic Mail Manual was approved by the Director of the Federal Register under 5 U.S.C 552(a) and 1 CFR part 51 on May 28, 2019.
[49 FR 47389, Dec. 4, 1984, as amended at 70 FR 14535, Mar. 23, 2005; 73 FR 25509, May 7, 2008; 75 FR 31702, June 4, 2010; 76 FR 48722, Aug. 9, 2011; 77 FR 45247, July 31, 2012; 81 FR 66823, Sept. 29, 2016; 82 FR 28560, June 23, 2017; 83 FR 17923, Apr. 25, 2018; 84 FR 24393, May 28, 2019]