Required Entry Fields for G/L Account Line Items (General Ledger) 

You must always enter an amount for a G/L account item. The exact fields that appear on the data entry screen and which of these are ready for input or require an entry when you enter a G/L account line item depends (among other things) on the following factors:

You can set the editing options by selecting Environment ® User parameters ® Editing options in the General Ledger menu. Editing options can be stored in your user master record.