Deterministic UAE Qualifying Free Zone Person (QFZP) De-Minimis Cliff Detection and Federal Tax Authority (FTA) Audit Trail Verification under Federal Decree-Law No. 47 of 2022 and Ministerial Decision No. 229 of 2025

Under Article 3(2) and Article 18 of UAE Federal Decree-Law No. 47 of 2022 on the Taxation of Corporations and Businesses, read together with Cabinet Decision No. 100 of 2023, Ministerial Decision No. 229 of 2025 (issued 28 August 2025, repealing Ministerial Decision No. 265 of 2023 retroactively from 1 June 2023), Ministerial Decision No. 230 of 2025 (Recognized Price Reporting Agencies for Qualifying Commodities), and Ministerial Decision No. 84 of 2025 (Audited Financial Statements), a UAE Free Zone Person qualifies for the 0% Corporate Tax rate on Qualifying Income strictly on condition of continuous compliance across seven conjunctive statutory gates. Foremost among operational traps is the Article 3 Ministerial Decision No. 229 of 2025 de minimis ceiling: non-qualifying revenue in a Tax Period must not exceed the LOWER of 5% of adjusted total revenue or AED 5,000,000. Unlike progressive tax brackets, breaching this ceiling by a single Dirham triggers Article 18(2) and Ministerial Decision No. 229 of 2025 Article 5(2): retroactive forfeiture of Qualifying Free Zone Person (QFZP) status from the first day of the breached Tax Period AND mandatory lock-out into the standard 9% Corporate Tax regime for the subsequent FOUR Tax Periods (a five-year cumulative fiscal cliff). Conventional accounting ERP reports misclassify Mainland vs. Designated Zone distribution chains, omit mandatory Article 4(3) numerator/denominator carve-outs (Permanent Establishments, non-qualifying Free Zone immovable property, and non-qualifying IP), and fail the 51% commodity warehousing/distribution sub-test (MD 229/2025 Art. 2(3)(c)). This technical note formalizes an exact 0-ULP Fils-integer revenue-partitioning, five-year cliff exposure, and RFC 8785 cryptographic EmaraTax audit-trail verification methodology. Reference Implementation & Archival Availability: A deterministic zero-egress WebAssembly (WASM) reference verification engine implementing the formal invariants specified in this monograph is maintained by TITAN Capital Forensics LLC (Albuquerque, New Mexico, USA; ORCID: 0009-0005-3920-2333) at qfzpshield.com. No source code or executable software is distributed within this technical monograph.