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Republic Act No. 593
REPUBLIC ACT NO. 593 ACT TO FURTHER AMEND SUBPARAGRAPHS (1), (2) AND (3) OF SUBSECTION (b) OF SECTION ONE HUNDRED THIRTY-SEVEN OF THE NATIONAL INTERNAL REVENUE CODE, AS AMENDED. January 30, 1951
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Republic Act No. 592
REPUBLIC ACT NO. 592 AN ACT TO AMEND SECTIONS ONE HUNDRED AND THIRTY-THREE AND ONE HUNDRED THIRTY-FIVE OF COMMONWEALTH ACT NUMBERED FOUR HUNDRED AND SIXTY-SIX, OTHERWISE KNOWN AS THE NATIONAL INTERNAL REVENUE CODE, AS AMENDED. January 30, 1951
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Republic Act No. 591