The following explains the difference between F110 and F111

F110

1.Can be used to pay open invoices in the customer and Vendor accounts

2.Configuration of Bank determination should be done in FBZP. Other than Bank determination you configure other steps in FBZP for both F110 and F111.

3.No need for payment request clearing acocunt

4.Use alpha ( A to Z) as payment method. This is just a good practice to distinguish between them and is not a SAP requiremetn.

F111

1.Can be used to pay only payment requests created by modules like Treasury, In-House cash etc.

2.Configuration path for bank determination is - IMG - Financial accounting (new) - Bank Accounting - Business transaction - Payment transaction - Payment request and payment handling

3.You need for payment request clearing acocunt for each company code

4.Use numbers (0 to 9). This is just a good practice to distinguish between them and is not a SAP requiremetn.