Section 1819.811-3 - Contract clauses(a) The contracting officer shall insert the clause at 1852.219-11, Special 8(a) Contract Conditions, in contracts and purchase orders awarded directly to the 8(a) contractor when the acquisition is accomplished using the procedures of FAR 19.811-1(a) and (b).(d) The contracting officer shall insert the clause at 1852.219-18, Notification of Competition Limited to Eligible 8(a) Concerns, in competitive solicitations and contracts when the acquisition is accomplished using the procedures of FAR 19.805. (1) The clause at 1852.219-18 with Alternate I to the FAR clause at 52.219-18 will be used when competition is to be limited to 8(a) concerns within one or more specific SBA districts pursuant to FAR 19.804-2.(2) The clause at 1852.219-18 with Alternate II to the FAR clause at 52.219-18 will be used when the acquisition is for a product in a class for which the Small Business Administration has waived the nonmanufacturer rule (see FAR 19.102(f)(4) and (5)).(e) Follow the prescription at FAR 19.811-3(e). 80 FR 12938 , Mar. 12, 2015