SAISIE-EXECUTION, French law. This term is used in Louisiana. It is a writ of execution by which the creditor places under the custody of the law, the movables, which are liable to seizure, of his debtor, in order that out of them he may obtain payment of the debt due by him Code of Practice, art. 641 , Dall. Diet. h. t.. It is a writ very similar to the fieri facias.