48 CFR §217.7101

1. (a)Master agreement for repair and alteration of vessels—
   1. (1)Is a written instrument of understanding, negotiated between a contracting activity and a contractor that—
      1. (A)Contains contract clauses, terms, and conditions applying to future contracts for repairs, alterations, and/or additions to vessels; and
      2. (B)Contemplates separate future contracts that will incorporate by reference or attachment the required and applicable clauses agreed upon in the master agreement.
   2. (2)Is not a contract.
2. (b)Job order—
   1. (1)Is a fixed price contract incorporating, by reference or attachment, a master agreement for repair and alteration of vessels;
   2. (2)May include clauses pertaining to subjects not covered by the master agreement; but applicable to the job order being awarded; and
   3. (3)Applies to a specific acquisition and sets forth the scope of work, price, delivery date, and other appropriate terms that apply to the particular job order.