HTS Code 4802.62 - Uncoated paper and paperboard, of a kind used for writing, printing or other graphic purposes, and non-perforated punchcards and punch-tape paper, in square or rectangular sheets with one side = 435 mm and the other side = 297 mm in the unfolded state, of which 10% by weight of the total fibre content consists of fibres obtained by a mechanical or chemi-mechanical process, n.e.s.