The current document is stored the goods imported from the party not to distinguish between fragmented party sales or accounting that much time in searching the document backwards (may cause incoming inspection officer to take the time to check the lot).
There are currently documenting the imported goods. Discrimination disrupted by multiple parties, whether from sales. Or own account It takes a lot of historical documents. (May cause authorities to check the time to check it).
At present, the document import distinguish scattered from many sides, no matter from the sales or accounting. The duration in document search backward.