certificate of clearance
certificate of clearing

He went on in a more formal tone, "Redddll, the hyena officer who brought you here, will accompany you back to your cabin and will present each of the four with a certificate of clearance."

A summary of controlled wood products that require a 'Certificate of Clearance' form PHF28 to be issued by our Plant Health Inspectors to effect the release of a consignment from Customs control is provided in our HMRC / FC Import Control Requirements.