Section 3111 - Persons who may file petition(a) Except as provided in subdivision (b), any of the following persons may file, or join in, a petition under this chapter:(1) Either spouse, whether or not the spouse has legal capacity.(2) The conservator of either spouse.(b) If the petition requests approval of a proposed transaction, at least one of the petitioners shall be either a conservator or a spouse having legal capacity for the transaction.Enacted by Stats. 1990, Ch. 79.