[ BIR REVENUE REGULATIONS NO. 18-03, May 14, 2003 ]

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National Administrative Register
REGULATIONS FURTHER AMENDING REVENUE REGULATIONS NO. 13-2003 WHICH AMENDED REVENUE REGULATIONS NO. 4-2003 AS AMENDED BY REVENUE REGULATIONS NO. 8-2003
[ BIR REVENUE REGULATIONS NO. 18-03, May 14, 2003 ]