The introduction, or manufacture for introduction, into commerce, or the sale, transportation, or distribution, in commerce, of any wool product which is misbranded within the meaning of this subchapter or the rules and regulations hereunder, is unlawful and shall be an unfair method of competition, and an unfair and deceptive act or practice, in commerce under the Federal Trade Commission Act; and any person who shall manufacture or deliver for shipment or ship or sell or offer for sale in commerce, any such wool product which is misbranded within the meaning of this subchapter and the rules and regulations hereunder is guilty of an unfair method of competition, and an unfair and deceptive act or practice, in commerce within the meaning of the Federal Trade Commission Act.

This section shall not apply—

(a) To any common carrier or contract carrier in respect to a wool product shipped or delivered for shipment in commerce in the ordinary course of its business; or

(b) To any person manufacturing, delivering for shipment, shipping, selling, or offering for sale, for exportation from the United States to any foreign country a wool product branded in accordance with the specifications of the purchaser and in accordance with the laws of such country.