There are two type of Agent who earn commission on their services. The Agent who are supplying goods on behalf of Principal to third person are liable to obtain mandatory Registration in term of Section 24 of CGST Act. The agent who are facilitating the supply of goods or services between principal & third person & thus rendering services to principal & receiving consideration in form of Commission can enjoy the threshold limit prescribed in section 22 of CGST ( 20 lacs for services & 40 Lacs for Goods) Act .to obtain Registration.