Section 174(1)(g) in The Maharashtra Goods and Services Tax Act, 2017
(g)those laws (including any earlier law continued in force under any provisions thereof), and all rules, regulations, orders, notifications, forms, certificates and notices, appointments and delegation of powers issued under those laws and in force immediately before the appointed day shall, subject to the other provisions of this Act, in so far as they apply, continue to have effect after the appointed day for the purposes of the levy, returns, assessment, reassessment, appeal, determination, revision, rectification, reference, limitation, production and inspection of accounts and documents and search of premises, transfer of proceedings, payment and recovery, calculation of cumulative quantum of benefits, exemption from payment of tax and deferment of due date for payment of tax, cancellation of the certificate of entitlement, collection, or deduction of tax at source, refund or set off of any tax withholding of any refund, exemption from payment of tax, collection of statistics, the power to make rules, the imposition of any penalty, or of interest or forfeiture of an sum where such levy, returns, assessment, re-assessment, appeal, determination, revision, rectification, reference, limitation, payment and recovery, calculation of cumulative quantum of benefits, exemption from payment of tax and deferment of due date for payment of tax, cancellation of the certificate of entitlement, collection, deduction of tax at source, refund, set-off, withholding of any refund exemption, collection of statistics, the power to make rules, limitation, production and inspection of accounts and documents and search of premises, transfer of proceedings, penalty, interest or forfeiture of any sum relates to any period ending before the appointed day, or for any other purpose whatsoever connected with or incidental to any of the purposes aforesaid and whether or not the tax, penalty, interest, sum forfeited or tax deducted at source, if any, in relation to such proceedings is paid before or after the appointed day.