To add suffix for current financial year, please follow the steps given below:
Step 1: Go to Document Settings
Step 2: Click on Add Prefixes/Suffixes
Step 3: I am adding suffix for Invoice, Select suffix and Click on Add suffix.
Step 4: Enter the desired suffix. Click on Submit.
For Example - We entered /25-26 here
You can make the suffix as default by enabling the toggle.
You can add suffix for other documents as well following the same procedure.
Step 5: The added suffix will be reflected as below while creating an invoice.