Contracts in Process [CIP] and Federal Government grantee, contractor, or subcontracting organizations in a Common Acquisition Case (CAC). · 1. Contracting Officer, Contracting Officer's Report. · 2. A CPA should retain the contract number to identify the related contract or contract activity with the CPA. · 3. A CPA uses the following PAGES or PAIR or PAID number to identify the appropriate contract and to identify the activity with respect to which the contract was entered in the PAGES or PAIR or PAID system. · PAGES or PAIR or PAID, if required on a contract for which a complete copy of the contract is not submitted, may be used, but must be approved in writing by the Contracting Officer. The CPA, at the time of the review, shall identify the PAGES or PAIR or PAID number or, as applicable, PAGES or PAIR or PAID, if required, for the contracting activity in which the contract was entered. §2.5(a) (1) All new and modified PAGES or PAIR or PAID contracts shall be identified using the PAID number by using a five- or six position alpha number and the last six digits of the PAGES or PAIR or PAID number will be the number assigned to the contract. Each agency shall submit its PAGES or PAIR or PAID, as applicable, number to the U.S. Government. The U.S. Government shall assign the PAGES or PAIR or PAID number, as appropriate, to each contract, unless it was not determined prior to submission that such the PAGES or PAIR or PAID number is acceptable. · If the contract is not assigned to the PAGES or PAIR or PAID number by its own agency, a U.S. Government contractor shall assign the contract, based on the PAGES or PAID number and any unique identifying information submitted, to the PAGES or PAIR or PAID, as applicable, number established by the U.S. Government for that contract.