During the process of codification, certain complete new ordinances were approved by the Mayor and Council for inclusion in the Code of the City of Hyattsville. Such new enactments are noted in the histories of individual chapters by the phrase "Adopted . . . during codification; see Ch. 1, General Provisions, Art. II." During the course of normal supplementation, specific dates of adoption will be inserted where pertinent in the text of the various chapters.

The enumeration appearing below lists each chapter affected by any such legislation adopted during codification.