(a) Conditions under which permitted after one dipping. Cattle which, just prior to shipment, were affected with scabies but have been dipped once in a permitted dip (other than a toxaphene dip), under the supervision of an APHIS inspector or State inspector, within 10 days prior to the date of shipment may be shipped or transported interstate for immediate slaughter to a recognized slaughtering center, upon compliance with the following conditions:

(1) They shall not be diverted en route.

(2) The means of conveyance shall be placarded and the billing shall be marked “Treated Scabby Cattle,” in accordance with § 73.6.

(b) After one dipping; to be slaughtered within 14 days or redipped by owner. Cattle shipped interstate subject to the provisions of paragraph (a) of this section shall be slaughtered within 14 days from the date of the dipping or shall be again dipped by the owner.

(c) When part of diseased herd not visibly affected. Cattle of the free area not visibly diseased with scabies, but which may be part of a diseased herd, may be shipped or transported interstate for immediate slaughter to any recognized slaughtering center where separate pens are provided for yarding exposed cattle: Provided, That means of conveyance in which the cattle are transported shall be placarded and the billing accompanying the shipment shall be marked “Cattle Exposed to Scabies” in accordance with § 73.6.

(d) Undiseased herds in quarantined area; conditions under which permitted. Cattle of herds of the quarantined area which are not diseased with scabies may be shipped, transported, or otherwise moved interstate for immediate slaughter, upon inspection by an APHIS or State inspector within 10 days prior to the date of shipment and when accompanied by a certificate from such inspector showing the cattle to be free from disease.