7 CFR § 58.251
Dry buttermilk and dry buttermilk product
July 6, 2020
The quality requirements for dry buttermilk or dry buttermilk product bearing an official identification shall be in accordance with the U.S. Standards for Grades of Dry Buttermilk and Dry Buttermilk Product.
[56 FR 33855, July 24, 1991]