Section 73(5) in The Central Goods and Services Tax Act, 2017
(5)The person chargeable with tax may, before service of notice under sub-section (1) or, as the case may be, the statement under sub-section (3), pay the amount of tax along with interest payable thereon under section 50 on the basis of his own ascertainment of such tax or the tax as ascertained by the proper officer and inform the proper officer in writing of such payment.
