The Louisiana Uniform Request and Cancellation Affidavit (For Mortgages and Vendor's Liens) La R.S. 9:5166 is a legal document that is used in Louisiana to request the cancellation of a mortgage or vendor's lien from a public record. This document is required by Louisiana law in order to ensure that a homeowner's mortgage or a vendor's lien is properly released from their records. It is used in cases where the original loan has been paid in full and/or the lien has been satisfied. This document is also used to cancel a mortgage or lien that was improperly recorded, registered, or notarized. There are two types of Louisiana Uniform Request and Cancellation Affidavit (For Mortgages and Vendor's Liens) La R.S. 9:5166: (1) a Request for Cancellation of Mortgage and (2) a Request for Cancellation of Vendor’s Lien. Both of these documents must be notarized and filed with the clerk of court in the parish where the property is located in order for the mortgage or lien to be removed from the public record.