48 CFR § 26.206 - Solicitation provision and contract clauses.
(a) The contracting officer shall insert the provision at 52.226-3, Disaster or Emergency Area Representation, in solicitations involving the local area set-aside. For commercial items, see 12.301(e)(4).
(b) The contracting officer shall insert the clause at 52.226-4, Notice of Disaster or Emergency Area Set-aside in solicitations and contracts involving local area set-asides.
(c) The contracting officer shall insert the clause at 52.226-5, Restrictions on Subcontracting Outside Disaster or Emergency Area, in all solicitations and contracts that involve local area set-asides.