Scope note: This property identifies the E39 Actor or Actors who surrender custody of an instance of E18 Physical Thing in an E10 Transfer of Custody activity. The property will typically describe an Actor surrendering custody of an object when it is handed over to someone else's care. On occasion, physical custody may be surrendered involuntarily – through accident, loss or theft. In reality, custody is either transferred to someone or from someone, or both. Examples: - the Secure Deliveries Inc. crew (E40) surrendered custody through The delivery of the paintings by Secure Deliveries Inc. to the National Gallery (E10) In First Order Logic: P28(x,y) ⊃ E10(x) P28(x,y) ⊃ E39(y) P28(x,y) ⊃ P14(x,y)