Creating Screen Variants - Enjoy Transaction 
Use
You can set up the document entry area in accordance with your specific requirements. You thereby restrict the complete document entry area to the entry fields your require.
Prerequisites
The Enter G/L Account Document/Invoice/Credit Memo screen appears.
Procedure
To create a screen variant, proceed as follows:
Transaction |
(for example FB50) |
Screen variant |
(name as required) |
Program |
SAPLFSKB |
Screen |
0100 |
Then choose
.
.
.
.
.Result
The screen variant that you created is displayed in the tree.

This procedure applies for all countries except Japan.