Punjab Revenue Authority (PRA) is holding second seminar to create awareness amongst the District Co-ordination Officers (DCOs) about working of the Authority and its legal framework on Saturday (today). Seminar will be held in its head office here in which, DCOs from 18 districts of the province will participate and PRA Chairman Iftikhar Qutab will brief the participants about sales tax on services in Punjab and method of the Authority to recover this tax.