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. If you qualify under this section, you must complete a Dependent Tax Affidavit and submit it with your other enrollment documents.Notarization is avaiable without charge in the offices of the City Clerk. Learn How To Establish a Domestic Partnership in NYC. In virginia, cohabitation is technically illegal. ☐ The child's father and mother were not married to each other when the child was born. Once your document is complete, you can download it as a . File your forms with the county clerk at the courthouse and serve your spouse. Such direction shall make provision for child support out of the property of either or both parents. Having children, using identical surnames, and living together will not qualify a couple for a common-law marriage.