Section 532.223 - Establishments included in regular nonappropriated fund surveys(a) All establishments having 20 or more employees in the prescribed industries within a survey area must be included in the survey universe. Establishments in NAICS codes 4571, 71391, and 71395 must be included in the survey universe if they have eight or more employees.(b) Establishment selection procedures are the same as those prescribed for appropriated fund surveys in paragraphs (b) and (c) of § 532.213 of this subpart.55 FR 46143, Nov. 1, 1990, as amended at 71 FR 35374 , June 20, 2006