Dissolution of the marriage or legal separation of the parties may be based on either of the following grounds, which shall be pleaded generally:
(a) Irreconcilable differences, which have caused the irremediable breakdown of the marriage.
(b) Permanent legal incapacity to make decisions.
(Amended by Stats. 2014, Ch. 144, Sec. 9. (AB 1847) Effective January 1, 2015.)