Bacteriological examination must be conducted in a manner approved by the Administrator. Approved bacteriological examination procedures are listed in the NPIP Program Standards, as defined in Sec. 147.51. Bacteriological examination procedures may also be approved by the Administrator in accordance with Sec. 147.53(d)(1). [79 FR 38766, July 9, 2014] Sec. Sec. 147.11-147.17 [Reserved]