3 on november 28 , 1981 , petitioners filed before the same board a `` manifestation and urgent motion to resolve or decide main petition '' praying that the case be resolved or decided not later than december 10 , 1981 to enable them , in case of denial , to avail of whatever remedy they may have under the law for the protection of their interests before their 1975 model cabs are phased-out on january 1 , 1982 .