Is GST registration compulsory for inter-state supply of servicesrnrnGoods & Services Tax (GST) has been implemented with effect from 1st July, 2017 subsuming almost all the indirect taxes prevail Persons making the inter-state supply of services are exempted from obtaining GST registration up to a turnover limit of Rs. 20 Lakhs (Rs. 10 Lakhs in special category states). Persons making a taxable supply of services through e-commerce operators are not required to obtain compulsory GST registration up to an aggregate turnover of Rs. 20 Lakhs (Rs. 10 Lakhs in special category states)