Code of Federal Regulations

Title 14 - Aeronautics and Space
Volume: 1Date: 2023-01-01Original Date: 2023-01-01Title: Section 1.3 - Rules of construction.Context: Title 14 - Aeronautics and Space. CHAPTER I - FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION. SUBCHAPTER A - DEFINITIONS AND GENERAL REQUIREMENTS. PART 1 - DEFINITIONS AND ABBREVIATIONS.
§ 1.3 Rules of construction. (a) In Subchapters A through K of this chapter, unless the context requires otherwise: (1) Words importing the singular include the plural; (2) Words importing the plural include the singular; and (3) Words importing the masculine gender include the feminine. (b) In Subchapters A through K of this chapter, the word: (1) Shall is used in an imperative sense; (2) May is used in a permissive sense to state authority or permission to do the act prescribed, and the words “no person may * * *” or “a person may not * * *” mean that no person is required, authorized, or permitted to do the act prescribed; and (3) Includes means “includes but is not limited to”. [Doc. No. 1150, 27 FR 4590, May 15, 1962, as amended by Amdt. 1–10, 31 FR 5055, Mar. 29, 1966]