# 538.7201 Applicability.

(a) The GSA Senior Procurement Executive authorizes the use of order-level materials on Federal Supply Schedules.

(b) The list of Federal Supply Schedules authorized to allow for order-level materials is available at https://www.gsa.gov/olm.

(c) HCAs may request additions or deletions to the list in paragraph (b) by submitting a GSA Form 1649 for SPE approval. Justifications to add this authority to a Federal Supply Schedule must address the need for the authority, including why it is impractical to price the items at the contract level, and a description of the market research conducted (see FAR 10.002(e)).