How to set different rate of GST for certain items

logging in to your back office, click on "Item" category

1. Next, click on the "Product Information" sub-category
2. Click "Edit " on existing item , and Click "Item Label " to open label setting
3. Click green button "Manage tags" to open Label management
4. First enter you desired name in the box,choose label group , then click on "Newly added" and label will be created, For example "NON-GST"

5.After created , you may go Settings - System Settings and click "Edit " on "Set tax rate based on label"

6. You may enter the GST rate for different label , if no GST , may enter 0 . Lastly, click save.

7.After that , you may assign the label to batch items by clicking Items - Mass update - Batch labeling