(1) A procurement unit may reject a solicitation response if:
(a) the solicitation response:
(i) is not responsive;
(ii) violates a requirement of the solicitation; or
(iii) is not submitted before the deadline specified in the solicitation;
(b) the vendor who submitted the solicitation response:
(i) is not responsible;
(ii) is in violation of a provision of this chapter;
(iii) has had a previous contract with the procurement unit canceled;
(iv) has engaged in unethical conduct;
(v) is subject to an outstanding tax lien; or
(vi) fails to sign a contract awarded as a result of the solicitation response within:
(A) 90 days after the contract award, if the solicitation does not specify a deadline for the signing of the contract; or
(B) the time specified in the solicitation, if the solicitation specifies a deadline for the signing of the contract; or
(c) after the vendor submits a solicitation response there is a change in the vendor's circumstances that, if known at the time the solicitation response was submitted, would have caused the procurement unit to reject the solicitation response.
(2) A procurement unit that rejects a solicitation response under Subsection (1) shall provide the vendor who submitted the rejected solicitation response a written statement of the reasons for the rejection.