(d) The contracting officer shall insert the clause at 52.219-18, Notification of Competition Limited to Eligible 8(a) Participants, in competitive solicitations and contracts when the acquisition is accomplished using the procedures of 19.805. Use the clause at 52.219-18 with its Alternate I when competition is to be limited to 8(a) participants within one or more specific SBA districts pursuant to 19.804-2.