48 CFR 28.106-4: 28.106-4 Contract clause.

(a) The contracting officer shall insert the clause at 52.228-2, Additional Bond Security, in solicitations and contracts when bonds are required.

(b) In accordance with section 806(a)(3) of Public Law 102-190, as amended by section 2091 and 8105 of Public Law 103-355 (10 U.S.C. 4601 note prec.), the contracting officer shall insert the clause at 52.228-12, Prospective Subcontractor Requests for Bonds, in solicitations and contracts with respect to which a payment bond will be furnished pursuant to 40 U.S.C. chapter 31, subchapter III, Bonds (see 28.102-1), except for contracts for the acquisition of commercial products or commercial services as defined in subpart 2.1.