State Of Maharashtra vs Prism Cement Limited 2025 INSC 199 - S 8 Central Sales Tax Act - Prospective Amendment

Central Sales Tax Act - Section 8(4)- The requirement for fulfilling the condition of Section 8(4) of the CST Act for getting the benefit of tax exemption came subsequently after the amendment of Section 8(5) with effect from 11.05.2002 and would apply -The requirement of submission of Form ‘C’ and ‘D’ would apply prospectively after 11.05.2002 i.e., after the Finance Act of 2002. (Para 30)

Interpretation of Statutes - Every statute is prima-facie perspective in nature unless it is expressly or by necessary implication made to have retrospective operations. Unless there are words in the statutes sufficient to show the intention of the legislature to affect existing rights, it is deemed to be prospective only. (Para 23)

Right - If a substantive right has accrued to a person, it cannot be taken away unilaterally without notice or an opportunity of hearing to the said person. (Para 28)