What paperwork is required for establishing a common law marriage?

Establishing a common law marriage typically requires both partners to meet certain criteria, such as living together as a couple for a significant period of time and presenting themselves as married to others. While specific paperwork may not be required, some states may ask for a signed affidavit or declaration of the common law marriage to make it legally recognized. It's important to check the laws in your state to understand the specific requirements for establishing a common law marriage.