The provisions of section four of this article, as originally passed or later amended, apply to all actions pending in the courts of this state on the effective date of this section and to any action filed in this state on or after the effective date: Provided, That the provisions of section four of this article providing for the maximum amount of an appeal bond shall not apply in any action brought by any signatory to the master settlement agreement seeking to enforce compliance with the terms of the master settlement agreement or for a breach of the master settlement agreement.