(a) A seller that knowingly sells BVDV Persistently Infected Cattle must disclose the Bovine Viral Diarrhea Virus Persistently Infected status in writing to the buyer prior to or at the time of sale.(b) Cattle that initially test positive to a BVDV antigen detection test may be administered a BVDV retest. If the retest results are negative, the cattle are considered to have been transiently infected (not persistently infected) and are not covered under this rule.(c) The Commission shall establish a BVDV Program Review Working Group consisting of members from the cattle industry, veterinary profession, veterinary diagnostic laboratory, veterinary college, extension service and agency representatives. The working group shall annually review the BVDV control program and make recommendations to the Commission on amendments to program components or operation, and on whether or not the program should be continued.