https://www.taxtmi.com/article/detailed?id=6285 Retrospective legislation can alter rights or obligations arising from past events by declaring an earlier operative date, applying to already-completed transactions, or expressly validating acts done without authority. Legislatures may use retrospective amendments or deeming clauses to render prior judicial decisions ineffective by changing the legal basis on which those decisions were made, but such measures are constrained by legislative competence and the requirement that they respect fundamental constitutional protections and vested rights. en-us Sat, 30 May 2015 11:10:16 +0530 Sat, 30 May 2015 11:10:16 +0530 TaxTMI RSS Generator https://www.taxtmi.com/article/detailed?id=6285 Retrospective legislation can alter rights or obligations arising from past events by declaring an earlier operative date, applying to already-completed transactions, or expressly validating acts done without authority. Legislatures may use retrospective amendments or deeming clauses to render prior judicial decisions ineffective by changing the legal basis on which those decisions were made, but such measures are constrained by legislative competence and the requirement that they respect fundamental constitutional protections and vested rights. Articles Other Topics Sat, 30 May 2015 11:10:16 +0530 https://www.taxtmi.com/article/detailed?id=6285