9. Every manufacturer in a free trade zone shall, not later than the 10th day of each month, furnish to the Director-General a return, in such form as the Director-General may prescribe, giving details of —
(a)
all dutiable raw materials received at the place or premises of manufacture during the preceding month;
(b)
production of semi-finished and finished products including by-products and their releases for local consumption and for export;
(c)
waste stocks and the manner of their disposal;
(d)
loss through spillage, evaporation and other causes; and
(e)
the balances of all dutiable raw materials and of the semi-finished and finished products including by-products stocked at the place or premises of manufacture as at the close of business on the last day of the month.