4.
(1) Section 7A of the principal enactment (inserted therein by Law No. 17 of 1972) is hereby amended in subsection (9) of that section as follows:
| | (a) by the substitution, for the definition of | | |
| | (b) by the substitution, for the definition of export turnover ", of the following new definition: - | | |
| | (c) by the substitution, for the definition of " total turnover ", of the following new definition: - | | |
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(2) The amendments made' in section 7A of . the principal enactment by subsection (1) of' this section shall be deemed for all purposes, to have come into .operation on the date on which the provisions of the aforesaid section 7A are deemed to have come into operation. |
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