(a) The numbering procedures of this subpart shall apply to all-
(1) Solicitations;
(2) Solicitation line and subline item numbers;
(3) Contracts as defined in FAR Subpart 2.1;
(4) Contract line and subline item numbers;
(5) Exhibits;
(6) Exhibit line and subline items; and
(7) Any other document expected to become part of the contract.
(b) The numbering procedures are mandatory for all contracts where separate contract line item numbers are assigned, unless-
(1) The contract is an indefinite-delivery type for petroleum products against which posts, camps, and stations issue delivery orders for products to be consumed by them; or
(2) The contract is a communications service authorization issued by the Defense Information Systems Agency's Defense Information Technology Contracting Organization.
