1. Go to Business Setup > Clients
2. Hover on the 3 dots on the extreme left of the client name and click on ‘Account Code’
3. Click on + button to expand the transaction on the basis of Sub Product Codes
4. Go to Extreme right and an ‘Edit’ button will appear
5. Input the number under 'Rebate to Client'. The rebate should be in the form of percentage (%)
6. You can also input the start and end date for the rebate.