How do the requirements of this subpart apply to areas where covered activities take place?

(a) The requirements of this subpart apply when a covered activity takes place in an outdoor area or a partially-enclosed building and when, under the circumstances, there is a reasonable probability that animals will contaminate covered produce. (b) The requirements of this subpart do not apply: (1) When a covered activity takes place in a fully-enclosed building; or (2) To fish used in aquaculture operations.