Application—Effective date—1989 c 333: "This act is necessary for the immediate preservation of the public peace, health, or safety, or the support of the state government and its existing public institutions, and shall take effect immediately [May 11, 1989]. This act shall apply to probate proceedings that are open on or are commenced after the effective date, except that section 5 of this act shall apply only to decedents dying after the effective date." [
1989 c 333 s 9.]