Book Four: Real Securities · Section Two: Possessory Pledge · Chapter Three: Special Provisions for Certain Possessory Pledges · Part One: Possessory Mortgage over Immovable Property
A possessory mortgage of immovable property shall not be effective against third parties unless it is registered in addition to the pledgee's possession of the mortgaged immovable property.
Interpretation and application must be checked against the official text and current version.