Prescribed forms are not required to prepare solicitations described in this part. The following forms may be used at the discretion of the contracting officer:
(a) Standard Form33, Solicitation, Offer and Award, and Optional Form308, Solicitation and Offer-Negotiated Acquisition, may be used to issue RFPs and RFIs.
(b) Standard Form30, Amendment of Solicitation/ Modification of Contract, and Optional Form309, Amendment of Solicitation, may be used to amend solicitations of negotiated contracts.
(c) Optional Form17, Offer Label, may be furnished with each request for proposal.