It requires an affidavit of cohabitation if you have a roommate, but if like me, you don't, you have to submit an affidavit that you live alone. You must get someone to serve them on the party named in the complaint as a defendant, your spouse, within 30 days of filing the papers.If you qualify under this section, you must complete a Dependent Tax Affidavit and submit it with your other enrollment documents. This affidavit documents the cohabitation of two individuals for over ten years without being legally married. Further, there was no child born of the marriage or born to them prior to the marriage. In the state of New Jersey, that is called emancipation. New Jersey does not have an exact date for someone to be emancipated. An Affidavit of Cohabitation is necessary for couples who wish to get married without securing a marriage license. The first advice I give to a person seeking consultation about an Ohio divorce or dissolution with children is, "Do not move out. • Divorce Without Children.