Preservation, packaging, and packing for shipment or mailing of all work delivered hereunder shall be in accordance with good commercial practices and adequate to ensure acceptance by common carrier and safe transportation at the most economical rate(s).

A. Each package, report or other deliverable shall be accompanied by a letter or other document which:

(1) Identifies the contract by number under which the item is being delivered and;

(2) Identifies the deliverable item number or report requirement which requires the delivered item(s).

B. For any package, report or other deliverable being delivered to a party other than the Contracting Officer, a copy of the document required in A. above shall be simultaneously provided to the office administering the contract, as identified in Section G of the contract.

Except for those reports required under Section F of this contract, where the urgency of receipt of the report by the Government necessitates the use of the most expeditious method of delivery, reports deliverable under this contract shall not utilize certified or registered mail or private parcel delivery service without the advance approval of the Contracting Officer.