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Thought Leadership & Technical Analysis

Articles & Insights

Practical regulatory guidance, empirical cost models, quality assurance insights, and auditing standards authored by Jan Michael Maglinao, CPA, CMA, CISA, CTT.

Tax Compliance & Systems • Visual Infographic • 6 min read

BIR RMC No. 098-2026: Electronic Invoicing Guidelines & EIS Certification

Definitive visual infographic on BIR RMC No. 098-2026. Details the December 31, 2026 mandatory deadline for E-Commerce and Large Taxpayers, the 20-day Permit to Issue (PTI) SLA, the strict 6-month EIS certification window, JSON data formats, spreadsheet bans, and an interactive compliance readiness diagnostic.

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