9 CFR §500.1

1. (a)A “regulatory control action” is the retention of product, rejection of equipment or facilities, slowing or stopping of lines, or refusal to allow the processing of specifically identified product.
2. (b)A “withholding action” is the refusal to allow the marks of inspection to be applied to products. A withholding action may affect all product in the establishment or product produced by a particular process.
3. (c)A “suspension” is an interruption in the assignment of program employees to all or part of an establishment; and (d) An establishment subject to Federal inspection or facility receiving voluntary inspection services under the regulations is “adversely affected” when that person has a legally cognizable interest, and the decision or action has caused or is substantially likely to cause injury to that interest.