Demonstrated knowledge of accounting principles and tools, including: Applying Generally Accepted Accounting Principles (GAAP) and professional auditing principles to reconcile financial statements, general ledgers, subledgers, and journal entries across diverse environments; identifying discrepancies and resolving inconsistencies. Proven ability to research and apply tax law demonstrated by: Researching, interpreting, and applying Washington statutes (RCW), administrative code (WAC), department policy (e.g., ETAs/Special Notices), and relevant court decisions to determine correct tax liabilities under the Revenue Act.