Haven Willis Email & Phone Number

7030 S. Yale Tulsa, Ok Ste. 301

Sales Tax Consulting

• Conduct highly complex Illinois income, sales and use tax audits of multi-national corporations, businesses, partnerships and individuals involving taxes administered by the Department of Revenue.• Serve as an auditor-in-charge: assigning, directing and reviewing the activities of an audit team conducting large-scale audits of corporations, industries and business entities.• Interpret and resolve technical problems required during audits.• Prepare and/or review and approve audit reports.• Testify as an expert witness at informal hearings and in court.• Research tax laws, rules, regulations and other resource materials applicable to cases.• Of 300 Illinois auditors, only one qualified to conduct both state income tax and state sales and use tax audits. Involves mastering the regulations and procedures for two complex tax areas.By the numbers:• 6 state territory (OK, AR, TX, KS, AZ, NV)• 33 annual audit completions• Assigned case load as high as 50 audits• 50% of audit inventory is large case, Fortune 500 companies• 97% audit field time (state average 70%)• Conducted audits with over 500 unique tax managers requiring navigation of over 500 unique accounting systems• Efficiency – materiality filter used 100%• Quality < 1% of cases require revisions• 95% taxpayer agreement with audit results