[ Text of section effective until March 31, 2012. Repealed by 2008, 521, Sec. 12. See 2008, 521, Sec. 44 as amended by 2010, 409, Sec. 23 and 2011, 224.]

  Section 1B. If it appears in the petition for the probate of will that the surviving spouse of the deceased person is incompetent by reason of insanity, intellectual disability or minority, or is under conservatorship, unless the spouse is represented by someone other than the petitioner, a guardian ad litem shall be appointed and made a party to the petition and shall be given notice of all proceedings relative to the probate of the will or granting of letters testamentary.