Section 20.181 - Limitations on shipments(a)Shipments made under permit. A dealer may ship specially denatured spirits to users and other dealers under the consignee's permit, Form 5150.9. The dealer may not ship specially denatured spirits before receiving the consignee's permit, Form 5150.9, unless the shipment has been authorized by the appropriate TTB officer.(b)Shipments of samples. A dealer may ship samples of specially denatured spirits to the persons authorized to receive them, and in the quantities permitted by subpart O of this part.