AN ACT TO AMEND SECTION ONE OF THE REPUBLIC ACT NUMBERED EIGHTY-ONE PROVIDING A NEW TIME LIMIT FOR THE WAIVER OF, AND/OR EXTENSION OF THE PERIOD WITHIN WHICH TO PERFORM, ACCOMPLISH OR COMPLY WITH, ANY TERM, CONDITION, OR STIPULATION REQUIRED OF LOCATORS, HOLDERS, LESSEES, OPERATORS OF MINING CLAIMS OR CONCESSIONS, AND OF WATER RIGHTS AND TIMBER CONCESSIONS CONNECTED WITH THE MINING INDUSTRY, AND THE CONDONATION OF MINING, SPECIFIC AND REAL ESTATE TAXES, UNDER CERTAIN TERMS AND CONDITIONS