A Waiver of Property and Profit was a contract that was signed within the Ferengi civilization which were made during marriages. The W,P & P states that if the marriage ends, the female will give up all claim to her husband's estate. In 2373, Rom attempted to pursuade Leeta tp sign a W,P & P. Leeta refused and their engagement was called off. Rom later relented and gave away all his latinum to Bajoran war orphans. (DS9 episode: "Ferengi Love Songs")