Section 39
SEC. 39. Whenever any portion of the merchandise described in the export or transportation entry is not shipped in accordance with the orders and directions upon the entry the harbor district inspector, in making his certificate of shipment, shall state that the merchandise was shipped "in part," and the number of packages or quantity of merchandise not shipped must be specified underneath the certificate, and the reason, if known, why the merchandise was not shipped, and the disposition made thereof must also be stated.