(a) Costs incident to sampling, tagging, and identification of samples and transporting samples to points of shipment shall be assumed by the producer, but tags and containers for the shipment of samples and shipping charges via U.S. Postal Service or duly authorized common carrier will be furnished by the service. After classification the samples shall become the property of the Government. The proceeds of the sale of cotton samples shall be used to defray the costs of providing the services under this subpart.(b) The cost of High Volume Instrument (HVI) cotton classification service to producers will be based on formulas set forth in § 28.116 . The proceeds of the sale of cotton samples shall be used to defray the costs of providing the service under this subpart.(c) The Division will periodically bill producers or the voluntary agents designated by producers for the cost of classification. A discount of 5 cents per sample will be granted for services provide under this section when billing is made to voluntary agents.74 FR 26772, June 4, 2009, as amended at 79 FR 67319, Nov. 13, 2014