Before evaluating proposals or qualifications, each individual participating in the evaluation of a proposal or qualification shall execute a statement in accordance with subsection (1) of this section certifying that he or she does not have a conflict of interest. The statement shall be filed with the chief procurement officer of the soliciting agency, before beginning the evaluation process. The certification shall be as follows: "I hereby certify that I have reviewed the conflict of interest standards prescribed herein, and that I do not have a conflict of interest with respect to the evaluation of this proposal or qualification. I further certify that I am not engaged in any negotiations or arrangements for prospective employment or association with any of the offerers submitting proposals or qualifications or their parent or subsidiary organization."