This affidavit documents the cohabitation of two individuals for over ten years without being legally married. The Texas Department of Criminal Justice does not have a sample affidavit available online.An Affidavit of Cohabitation is used if a couple wants to prove that they are living together as spouses for a certain period. Explore Cohabitation Agreements in Texas Family Law with Bryan Fagan, PLLC. Protect your rights and assets—get expert guidance today! Please print all requested information in blue or black ink. The absent applicant must return the completed affidavit directly to the person they wish to marry. Completing a Declaration of Domestic Partnership form at the office. You can also bring a detailed domestic partnership agreement to include with the form. Discover an affidavit of cohabitation sample to simplify your legal process.