The right in rem over the title, works, constructions and installations may only be mortgaged to guarantee loans taken out by the holder of the authorisation with a view to financing the construction, modification or extension of works, constructions and installations of a real estate nature located on the occupied state-owned property.
Unsecured creditors other than those whose claim has arisen from the execution of the works mentioned in the previous paragraph may not take protective measures or compulsory execution measures against the rights and property mentioned in this article.
Mortgages on the said rights and property are extinguished no later than the expiry of the occupancy titles issued pursuant to article L. 1311-5, whatever the circumstances or the reason.