What problem does it solve? Vietnamese entities must reconcile statutory VAS books, VFRS dual-reporting adjustments, e-invoice XML validation, and tax compliance rules before any period close or filing, and errors in regime selection, invoice verification, or interest caps create audit and penalty exposure. ## Core Features & Use Cases - Regime and Chart-of-Accounts Governance: Confirms Circular 200, 133, or 132 applicability, blocks forbidden accounts (TK 621, 622, 623, 627, 641 under Circular 133), and isolates VFRS adjustments (IFRS 9, 15, 16) in a dual-reporting layer. - E-Invoice and Vendor Risk Screening: Validates Decision 1450 XML schemas, XMLDSig X.509 signatures, GDT portal status codes, and vendor tax status (03/04 blocking), plus the 20,000,000 VND non-cash payment rule. - Deterministic Close Controls: Enforces 0.00% price-variance 3-way matching, GRNI accruals without VAT, Decree 132 30% EBITDA interest caps, TK 242 36-month allocation, and Account 911 zero-balance clearing with WORM snapshots and HITL sign-off. - Use Case: A Vietnamese subsidiary preparing its September 2026 close uses this Skill to verify incoming e-invoices, reconcile subledgers to the GL, compute the related-party interest cap, and emit a period-end closing report contract for Chief Accountant approval. ## Quick Start Ask the agent to review the attached trial balance and e-invoice XML files for the September 2026 period close under Circular 200 and produce a compliance review contract.