New GST billing start

It's good to hear from you today, sakhanpara-gmail.

You can set up a new GST in QuickBooks Online and ensure to select the new billing start date. Here's how:

1. Click Taxes in the left panel and select Add tax.
   
2. Choose the correct tax code.
3. Enter the necessary information.
4. Hit Save.
   

Once saved, you'll the new GST option with the new billing start. See the sample screenshot below:
 

To know more about how GST works in QuickBooks Online, check out the following resources below:

Setting up QuickBooks for GST.

QuickBooks for GST.

If there's anything else you need, please let me know. I'll zip right back to help you out. Have a good one.