(a) The provisions of this part apply to corporations existing pursuant to Part 2 (commencing with Section 12200) of Division 3 of Title 1 in effect immediately prior to January 1, 1984.
(b) The existence of corporations formed or existing on the date of enactment of this part shall not be affected by the enactment or reenactment of this part or by any change in the requirements for the formation of corporations or by the amendment or repeal of the laws under which they were formed or created.
(c) Neither the repeal of Part 2 (commencing with Section 12200) of Division 3 of Title 1 as in effect immediately prior to January 1, 1984, nor the reenactment or amendment of this part shall impair or take away any existing liability or cause of action against any corporation, its members, shareholders, directors, or officers incurred prior to the enactment of this part.