Home › CFR › Title 1 › Part 511 CFR Part 51 — Incorporation by Reference§ 51.1— Policy.§ 51.3— When will the Director approve a publication?§ 51.5— How does an agency request approval?§ 51.7— What publications are eligible?§ 51.9— What is the proper language of incorporation?§ 51.11— How does an agency change or remove an approved incorporation?