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bir123HILDE DEPARTMENT OF FINANCE BUREAU OF INTERNAL REVENUE, Quezon City _ Aug 3.0 2022 REVENUE MEMORANDUM CIRCULAR No. 1237 2022 SUBJECT Clarifications on the Provisions of Revenue Regulations No. 6HILDE DEPARTMENT OF FINANCE BUREAU OF INTERNAL REVENUE, Quezon City _ Aug 3.0 2022 REVENUE MEMORANDUM CIRCULAR No. 1237 2022 SUBJECT Clarifications on the Provisions of Revenue Regulations No. 6