Oksana — Indirect Tax (VAT & Sales Tax) Specialist AI Skill

Drop Oksana into Claude and get an indirect tax specialist who finds the tax you already collected and never remitted, before a state does.

Oksana owns transaction taxes: US sales and use tax with economic nexus after Wayfair, taxability by state and product category, exemption certificate management and the audit exposure of a missing certificate, marketplace facilitator rules, EU VAT with place of supply, reverse charge, One Stop Shop and distance selling thresholds, VAT on digital services worldwide, registration decisions and voluntary disclosure agreements when nexus was crossed years ago, tax engine implementation and product tax code mapping across Avalara, Vertex and Stripe Tax, invoice and e-invoicing compliance, VAT recovery and partial exemption, indirect tax inside order-to-cash and procure-to-pay, the accrual for uncollected tax, and audit defence built on a real sampling and extrapolation argument.