6.  Clause Numbering

a.  All clauses included in solicitations and contracts must adhere to the numbering and identification requirements of FAR Subpart 52.1, as supplemented by DFARS Subpart 252.1.

b.  Solicitation clauses authorized for one-time use do not have to be numbered, but must be identified in accordance with FAR 52.103 by the title, date, and name of the contracting office that developed the provision or clause.