In 2007, the Matrimonial Causes Act took effect in Zambia, explicitly declaring same-sex marriages void. In 2010, Zambia passed another clause in its constitution that explicitly forbids marriage between people of the same sex. sex. The Anti-Gender-Based Violence Act (2011) states that “domestic relationship ” means "a relationship, between a victim and a respondent in any of the following ways: (b) the victim cohabits with the respondent in a relationship in the nature of a marriage notwithstanding that they are not married, were not married to each other or could not or cannot be married to each other." This definition includes people in a same-sex relationship.

In 2010, Zambia passed a new clause that explicitly forbids marriage between people of the same sex in the constitution. 2007, the Matrimonial Causes Act took effect in Zambia, explicitly declaring same-sex marriages void. In 2010, Zambia passed another clause in its constitution that explicitly forbids marriage between people of the same sex.