Adjustment Type represents the type of adjustments associated to different account heads. Through Adjustment Type screen you can define adjustment codes in the system.
To define adjustment Type:
On the System Administration module, click Billing, and then click Adjustment Type.
In the Adjustment Type box and the Adjustment Description box, type the code and description of the adjustment type.
In the Account Code drop-down, select the account code.
Click the Save button to save the details.
These adjustment types are required while giving credit/debit adjustments in Credit Note/ Debit Note screens respectively.