40 C.F.R. § 211.103 Number and gender.
Title 40 - Protection of Environment
In this part, words in the singular will be understood to include the plural, and words in the masculine gender will be understood to include the feminine, and vice versa, as the case may require.
Title 40: Protection of Environment
PART 211—PRODUCT NOISE LABELING
Subpart A—General Provisions
§ 211.103 Number and gender.