An Act declaring a one-time amnesty on certain tax and duty liabilities, inclusive of fees, fines, penalties, interests and other additions thereto, incurred by certain business enterprises operating within the special economic zones and freeports created under PROCLAMATION NO. 163, SERIES OF 1993; PROCLAMATION NO. 216,SERIES OF 1993; PROCLAMATION NO. 120, SERIES OF 1991; and PROCLAMATION NO. 984, SERIES OF 1997, pursuant to SECTION 15 of REPUBLIC ACT NO. 7227, as amended, and for other purposes