Every order is usually passed first to the sales manager. After checking it to find that every specifications in the order is positive, the sales manager will pass the order on to the warehouse where the articles will be selected according to the specifications given in the order. After this the goods and the order are then passed to the Invoice Department. Here invoices are prepared at least in triplicate, one to be kept at the invoice department, the second one to be passed on to the account department, and the third one to be sent with the goods to the packing department first and then to the customer. In the export trade, the packing department must strictly follow the packing instructions given by the customers, otherwise difficulties may arise from the import-export regulations. After being packed, the goods are passed on to the despatch department, which arranges for the delivery of the goods to the customer.