They will supply you a ten digit number with dashes. When ordering a film master for your ISBN, it is important to include the dashes.
Most distributors require a price extension.
This is seen as a five digit code to the right of the main code. The price extension will allow the price to scan in at the bookstore. For those who do not want a hard coded price, an alternate code may be made. This is called a 90,000 extension, as those are the numbers used. This simply indicates to the retailer that there has been no firm price set into the cover.