This legal document serves as proof of the couple's cohabitation, primarily in the context of legalizing their union or asserting certain legal rights. A spouse of a US citizen must submit with the naturalization application an official civil record to establish that the marriage is legal and valid.Forms must be completely filled out in black ink, signed, and notarized. If the petitioner is self employed, provide business tax returns and profit loss statements. Second, employment verification. Can a Cohabitation Agreement be used in states with common-law marriages? Are financial agreements covered between unmarried couples in Arizona? Once you have filled in the other sections, both parties should sign the agreement so it becomes a legally binding contract. Get free access to the complete judgment in De Misch v. Administrator of Veterans Affairs on CaseMine.