English to Russian Law/Patents Business/Commerce (general)

В следующем контексте:
to represent the Principal before any state, municipal, public, commercial and other entities, organizations and institutions, including but not limited to, notaries, banks, private companies, state authorities and governmental institutions etc., regarding any matters arising in connection with release and termination of security created pursuant to the Facility Agreement...

"освобождение или прекращение действия прав, обеспечивающих требование" или "освобождение и прекращение действия обеспечения обязательств"?
Благодарю за помощь.