NASECORE together with homeowners association FOVA and FOLPVA filed with the Supreme Court a Petition for Certiorari, Prohibition and Injunction with Prayer for Preliminary Injunction and/or Issuance of T.R.O. against the ERC Case No 2004-112 Decision of the ERC on the application of Meralco to recover independent power producer costs under the generation rate adjustment mechanism (GRAM). In 16 August 2006, SC rendered its final Decision in favor of Nasecore et.al. declaring ERC Case No. 2004-112 Decision null and void and explained that rates adjustment shall be in no case automatic. This resulted to a refund of Php 827million.