Section 170
SEC. 170. If at the time of making entry, the importer shall desire the delivery to him of all packages not ordered for examination. He shall file a bond in such form as shall he prescribed by the Insular Collector, in such penal sum as shall be fixed by the collector, and which shall at least be equal to double the estimated duties on the merchandise, with approved sureties, for the return to the collector of any packages included in his entry which may be demanded by the collector within ten days after the merchandise has been examined and reported to the collector. In the absence of such bond all the packages shall be held until after the report of the examining officer is received.