Federal Acquisition Regulation
Preparing the solicitation
FAR 19.705-3
The contracting officer shall provide the Small Business Administration's (SBA’s) procurement center representative (or, if a procurement center representative is not assigned, see Small Business Administration procurement center representatives (FAR 19.402) (a)) a reasonable period of time to review any solicitation requiring submission of a subcontracting plan and to submit advisory findings before the solicitation is issued.