(6) The husband and wife have lived separate and apart pursuant to a written agreement of separation, subscribed by the parties thereto and acknowledged or proved in the form required to entitle a deed to be recorded, for a period of one or more years after the execution of such agreement and satisfactory proof has been submitted by the plaintiff that he or she has substantially performed all the terms and conditions of such agreement.
Such agreement shall be filed in the office of the clerk of the county wherein either party resides.
The requirements are as follows: Required residence of parties.
An action to annul a marriage, or to declare the nullity of a void marriage, or for divorce or separation may be maintained only when: 1.
The parties were married in the state and either party is a resident thereof when the action is commenced and has been a resident for a continuous period of one year immediately preceding, or 2.
The parties have resided in this state as husband and wife and either party is a resident thereof when the action is commenced and has been a resident for a continuous period of one year immediately preceding, or 3.
Either party has been a resident of the state for a continuous period of at least two years immediately preceding the commencement of the action.