(a) Section 2252.908 of the Government Code does not apply to a change made to an existing contract, including an amendment, change order, or extension of a contract, except as provided by subsections (b) or (c) of this section.(b) Section 2252.908 of the Government Code applies to a change made to an existing contract, including an amendment, change order, or extension of a contract, if a disclosure of interested parties form was not filed for the existing contract; and either:(1) the changed contract requires an action or vote by the governing body of the entity or agency; or(2) the value of the changed contract is at least $1 million.(c) Section 2252.908 of the Government Code applies to a change made to an existing contract, including an amendment, change order, or extension of a contract, if the business entity submitted a disclosure of interested parties form to the governmental entity or state agency that is a party to the existing contract; and either:(1) there is a change to the disclosure of interested parties; or(2) the changed contract requires an action or vote by the governing body of the entity or agency; or(3) the value of the changed contract is at least $1 million greater than the value of the existing contract.