This document summarizes a Supreme Court case from 1974 regarding the retroactive application of Republic Act 6126, also known as the Rental Law. The key points are:
1) The case involved a landlord who increased rental rates in January 1969, prior to the enactment of the Rental Law in June 1970. The tenant argued the law should apply retroactively to invalidate the rental increase.
2) The Supreme Court ruled the Rental Law was not intended to apply retroactively as it affects substantive rights. The language and legislative history of the law indicated it was meant to have only prospective application.
3) As the rental increase occurred over a year before the law took effect, it did not