Define the number of the order sheet with 10 digits format commonly used is put in front, such as the year 2016 year determines the number of this document is 1600000000, etc.
The numbers of documents or orders by 10 digits format is commonly used. Take years to put it forward as the year 2016 will be designated as the document number is 1600000000.
The document number leaves buy orders with numbers 10 primarily by forms commonly used is the year in ไว้ด้ number such as years 2016 will specify the document number is 1600000000 etc.