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RMC No. 98-2025: Lost One (1) Set of Used/Filled-Up but Unissued BIR Form No. 1966 – Electronic Letter of Authority

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Summary

RMC No. 98-2025 reports the loss of one (1) set of used but unissued BIR Form No. 1966 (Electronic Letter of Authority).

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Key points

  1. Lost form. The lost form has Serial Number eLA202400108209. Administrative Aide Benderliff G. Tubaña of Excise LT Audit Division I, Large Taxpayer Service reported the loss.
  2. Effect of the loss. All official transactions involving the use of the form are considered invalid.

Deadlines and effectivity

  • Issued November 3, 2025

Summary by Tax Resources PH. It is not a substitute for the full text of the issuance or professional advice.

Copies of BIR issuances are hosted here for reference. For the official version, check bir.gov.ph. Summaries by Tax Resources PH are not a substitute for the full text or professional advice.