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title 1
General Provisions
chapter I
CHAPTER I—ADMINISTRATIVE COMMITTEE OF THE FEDERAL REGISTER
part 21
PART 21—PREPARATION OF DOCUMENTS SUBJECT TO CODIFICATION
subpart A
Subpart A—General
subjgrp 14
References
Subjgrp 14. References
§ 21.21 - General requirements: References.
§ 21.23 - Parallel citations of Code and Federal Register.
§ 21.24 - References to 1938 edition of Code.
