112.3175  Remedies; contracts voidable.--Any contract which has been executed in violation of this part is voidable:

(1)  By any party to the contract.

(2)  In any circuit court, by any appropriate action, by:

(a)  The commission.

(b)  The Attorney General.

(c)  Any citizen materially affected by the contract and residing in the jurisdiction represented by the officer or agency entering into such contract.