(D) Cattle for Dairy or Breeding Purposes—Cattle purchased for dairy or breeding purposes shall be re-sold for dairy or breeding purposes in not less than 10 days from date of purchase, provided that such cattle shall have a blood sample taken from them by the Daily Sales Barn Veterinarian, such blood sample to be submitted to the Official Brucellosis State Laboratory, and such cattle to be negative to brucellosis according to the Official Brucellosis State Laboratory prior to being moved from the Daily Sales Barn. The following classes of cattle may be exempt from the brucellosis blood test:

1. (1) Cattle under 30 months of age that have been officially vaccinated against brucellosis and proof of vaccination is established by the Sales Barn Veterinarian;
2. (2) Cattle from certified herds when such certification is current and proof of certification is established by the Daily Sales Barn Veterinarian;
3. (3) Cattle that have been tested and found negative to brucellosis within not more than 30 days prior to the date they are re-sold by the Daily Sales Barn and such cattle are accompanied by an official brucellosis test chart properly executed.