18. (1) In the East Pakistan Finance Act, 1957 (X of 1957), in section 2, in sub-section (1) for the word “five” the word “ten” shall be substituted. (2) During the period from the 1st day of July, 1972, to the 30th day of June, 1973 (both days inclusive), section 6 of the East Pakistan Finance Act, 1957 (X of 1957), shall have effect as if in sub-section (1) of the said section 6 for the word and figure “annas 2” the word and figures “Taka 2.00” were substituted.