48 C.F.R. § 217.7303 – Solicitation provision.

(a) Use the provision at 252.217-7026, Identification of Sources of Supply, or one substantially the same, in all solicitations for supplies when the acquisition is being conducted under other than full and open competition, except when—
1. (1) Using FAR 6.302-5;
2. (2) The contracting officer already has the information required by the provision (e.g., the information was obtained under other acquisitions);
3. (3) The contract is for subsistence, clothing or textiles, fuels, or supplies purchased and used outside the United States;
4. (4) The contracting officer determines that it would not be practicable to require offerors/contractors to provide the information, e.g., nonrepetitive local purchases; or
5. (5) The contracting officer determines that the exception at 217.7302(b) applies to all items under the solicitation.
(b) If appropriate, use the provision at 252.217-7026, Identification of Sources of Supply, or one substantially the same, in service contracts requiring the delivery of supplies.