From and after July 1, 2004, any delinquency proceeding commenced against a corporation subject to this article for the purpose of liquidating, rehabilitating, reorganizing or conserving the corporation shall be considered to be a delinquency proceeding against an insurance company and shall be undertaken pursuant to the provisions of article ten of this chapter. Any delinquency proceeding pending against a corporation subject to this article prior to July 1, 2004, will be administered and concluded under the law in effect at the time the delinquency proceeding was commenced.