The scheme of section 44 AE is designed to give relief to small taxpayers engaged in the business of plying, hiring or leasing of goods carriages. So your client's service is exempt. Here are two FAQs dated 5.1.18 which are relevant for your client.
Q1. I am a single truck owner-operator and I ply my truck mostly between States, carrying the goods booked for my truck by an agent; aggregate value of service which I provided exceeded twenty lakh rupees during last year. Am I supposed to take registration?
Ans. You are not liable to registration, as services provided by way of transportation of goods by road are exempt. Please refer to Notification No. 12/2017-Central Tax (Rate), dated 28th June, 2017.
Q1. I am a single truck owner-operator and I ply my truck mostly between States, carrying the goods booked for my truck by an agent; aggregate value of service which I provided exceeded twenty lakh rupees during last year. Am I supposed to take registration?
Ans. You are not liable to registration, as services provided by way of transportation of goods by road are exempt. Please refer to Notification No. 12/2017-Central Tax (Rate), dated 28th June, 2017.
Q2. I own a single truck and I rent it to a major player, who provides GTA service; should I take a registration? Does my monthly rental/lease income attract GST?
Ans. Registration is not required since services by way of giving on hire, a means of transportation of goods to a GTA are exempt from tax vide entry No. 22 of Notification No. 12/2017-Central Tax (Rate), dated 28th June, 2017