Section 2. Section 139 of the National Internal Revenue Code, as amended, is hereby further amended to read as follows:

"Sec. 139.Wines. — On wines, there shall be collected per liter of volume capacity, the following taxes:

"(a)Sparkling wines/champagnes regardless of proof, if the net retail price per bottle (excluding the excise tax and the value-added tax) is:

"(1)Five hundred pesos (P500.00) or less — One hundred pesos (P100.00); and

"(2)More than Five hundred pesos (P500.00) — Three hundred pesos (P300.00);

"(b)Still wines containing fourteen percent (14%) of alcohol by volume or less, Twelve pesos (P12.00); and

"(c)Still wines containing more than fourteen percent (14%) but not more than twenty-five percent (25%) of alcohol by volume, Twenty-four pesos (P24.00).

"Fortified wines containing more than twenty-five percent (25%) of alcohol by volume shall be taxed as distilled spirits. Fortified wines shall mean natural wines to which distilled spirits are added to increase their alcoholic strength.

"The rates of tax imposed under this section shall be increased by twelve percent (12%) on January 1, 2000.

"New brands shall be classified according to their current net retail price.

"For the above purpose, net retail price shall mean the price at which wine is sold on retail in 10 major supermarkets in Metro Manila, excluding the amount intended to cover the applicable excise tax and the value-added tax as of October 1, 1996.

"The classification of each brand of wines based on its average net retail price as of October 1, 1996, as set forth in Annex 'B', shall remain in force until revised by Congress."