Additional excise duty classifications updated; textile fabric headings redefined and new per-area and ad valorem duty applied. Amendments to the First Schedule of the Additional Duties of Excise Act substitute and omit specified sub-headings, redefine textile tariff headings by distinguishing fabrics woven on handlooms from those on other looms and by listing qualifying finishing processes, and impose a combined ad valorem and per-area specific additional duty for the substituted fabric headings.