7 CFR § 810.1601
Definition of soybeans
July 6, 2020
Grain that consists of 50 percent or more of whole or broken soybeans (Glycine max (L.) Merr.) that will not pass through an 8⁄64 round-hole sieve and not more than 10.0 percent of other grains for which standards have been established under the United States Grain Standards Act.