CFR > Title 1 - General Provisions > CHAPTER I—ADMINISTRATIVE COMMITTEE OF THE FEDERAL REGISTER > SUBCHAPTER E—PREPARATION, TRANSMITTAL, AND PROCESSING OF DOCUMENTS (parts 15 to 22) > PART 21—PREPARATION OF DOCUMENTS SUBJECT TO CODIFICATION > SUBPART B—Citations of Authority (§21.40 to §21.53) > 21.51—General.

21.51—General.

(a) Formal citations of authority shall be in the shortest form compatible with positive identification and ready reference.
(b) The Office of the Federal Register shall assist agencies in developing model citations.