How can I filter the GST sales and purchase registers to show only a specific tax rate like %?

To filter the GST sales and purchase registers to show only a specific tax rate like 18%, you need to follow the below stesp: 
 For Sales Report, 
 Step 1: Go to Display, then select GST Reports, then select GST Registers, 
 Step 2: then select Supply Outward Register, then select All party, 
 Step 3: then select correct date range, and then select the relevant information and then press F2 or OK, 
 Step 4: in that report you will find the option of tax rates column to see the different GST tax rates like 18%, 12%, etc, 
 Step 5: in that you need to click on summary option or F5 , then select the summarise on single level, 
 Step 6: then select the summarize on tax rates and click on summarize option it will show the report specific tax rate like 18% 
 For Purchases Report, 
 Step 1: Go to Display, then select GST Reports, then select GST Registers, 
 Step 2: then select Supply Inward Register, then select All party, then select correct date range, 
 Step 3: and then select the relevant information and then press F2 or OK, 
 Step 4: in that report you will find the option of tax rates column to see the different GST tax rates like 18%, 12%, etc, 
 Step 5: in that you need to click on summary option or F5 , then select the summarise on single level, 
 Step 6: then select the summarize on tax rates and click on summarize option it will show the report specific tax rate like 18%.