How long do you have to live with someone in Louisiana to be common law married?

In Louisiana, there is no specific duration required for cohabitation to establish a common law marriage. Instead, the state recognizes common law marriage if both parties agree to be married, live together as a married couple, and present themselves to others as married. It is essential that both individuals have the capacity to marry and have not entered into another marriage. Documentation or evidence of the relationship may be necessary to prove the existence of a common law marriage.