Number Ranges for Accounting Documents

Document number, a key concept used every day in our SAP work. 

Have you ever asked how this number is generated? In this post you have the response.

SAP standard transaction to manage Number Ranges for Accounting Documents is FBN1
Also you can access following in customizing following path:

SAP Customizing Implementation Guide-> Financial Accounting (New) -> Financial Accounting Global Settings (New) -> Document -> Document Number Ranges -> Document in Entry View -> Define Document Number Ranges for Entry View

In the first screen, you have to enter the Company Code because document ranges depends on it.

In the second screen to set the ranges, you will see that document ranges for accounting also depends on fiscal year.

During each fiscal year, it is specified the range to be used when an accounting document is created, and for your information also you can see in the last document number created.