Legal Insights

Plain-language guides and case briefs on Philippine law — researched from the firm's law library of 184,000+ statutes, Supreme Court decisions, and agency issuances, and written so non-lawyers can understand and act on them.

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Oct 3, 2023 tax law bir assessment letter of authority due process tax audit

Letter of Authority vs. Letter Notice: When a BIR Tax Assessment Is Void

The Supreme Court ruled that a BIR Letter Notice cannot substitute for a Letter of Authority—assessments without a valid LOA are void.