Creating, Changing, or Displaying Bank Master Data 
Procedure
To create your bank master data manually, select Master data ® Bank master record ® Create from the
Banking Menu.When you are maintaining your business partner master data, you can display and maintain the bank master data via Environment ® Bank data.
To edit the bank master data for your banks, in Customizing, branch to: Financial Accounting ® Bank Accounting ® Bank Accounts ® Define House Banks.