(a) Upon written application from the interested party, the port director concerned, if he considers it necessary, may permit any vessel laden with merchandise in bulk to proceed, after entry, to any place outside the port where the vessel entered which such port director may designate for the purpose of unlading such cargo.

(b) In such case a deposit of a sum sufficient to reimburse the Government for the compensation, travel, and subsistence expenses of the officers detailed to supervise the unlading and delivery of the cargo may be required by the port director.