48 CFR § 511.504
Contract clauses
November 17, 2020
(a) The contracting officer shall insert the clause at 552.211-12, Liquidated Damages-Construction, in solicitations and contracts for construction, other than cost-plus-fixed-fee, when the contracting officer determines that liquidated damages are appropriate (see FAR 11.501(a)).
(b) The contracting officer shall insert the clause at 552.211-13, Time Extensions, in solicitations and contracts for construction that use the clause at 552.211-12, Liquidated Damages-Construction.