40 CFR § 209.2 - Use of number and gender.

---
identifier: "/us/cfr/t40/s209.2"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 209.2 - Use of number and gender."
title_number: 40
title_name: "Protection of Environment"
section_number: "209.2"
section_name: "Use of number and gender."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "G"
subchapter_name: "NOISE ABATEMENT PROGRAMS"
part_number: "209"
part_name: "RULES OF PRACTICE GOVERNING PROCEEDINGS UNDER THE NOISE CONTROL ACT OF 1972"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "Sec. 11, Noise Control Act of 1972 (42 U.S.C. 4910) and additional authority as specified."
regulatory_source: "43 FR 34132, Aug. 3, 1978, unless otherwise noted."
cfr_part: "209"
---


# 209.2 Use of number and gender.

In these rules of practice, words in the singular number apply to the plural and words in the masculine gender apply to the feminine and vice versa.