Section 51 of the NGST Act 2017 provides for deduction of tax by the Government Agencies (Deductor) or any other person to be notified in this regard, from the payment made or credited to the supplier (Deductee) of taxable goods or services or both, where the total value of such supply, under a contract, exceeds two lakh and fifty thousand rupees. The amount deducted as tax under this section shall be paid to the Government by deductor within ten days after the end of the month in which such deduction is made along with a return in FORM GSTR-7 giving the details of deductions and deductees. Further, the deductor has to issue a certificate to the deductee mentioning therein the contract value, rate of deduction, amount deducted etc.