In this page you can return GST for your transactions
If you want to return GST by use of this app, first you need to add GST to your transaction. There are two ways to do this.first add tax type with the name GST to each transaction (go to cashbook page to see how to create tax type). Second method which is easier, is to exclude any transaction from your return by using account code with the key *Exclude. (Don't forget * before Exclude).
Now input your desire date as it shown below then click on process GST button. The completed GST form will be generated. You can see an example of a completed GST form at the second image