IES
Defined in 2 places — 1 distinct definitions of the United States Code.
The term “IES” means the Illuminating Engineering Society of North America.
Same definition in 2 sections
- 1994–present42 U.S.C. § 6291The Public Health and Welfare · Definitions · for purposes of this part
- 1994–present42 U.S.C. § 6311The Public Health and Welfare · Definitions · for purposes of this part