Useful Links

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General Resources

• California Board of Equalization
• California Franchise Tax Board
• Illinois Department of Revenue
• Internal Revenue Service
• Iowa Department of Revenue
• Kansas Business Entity Search
• Kansas Department of Revenue
• Missouri Department of Revenue
• Missouri Secretary of State
• Multistate Tax Commission
• Ohio Department of Taxation
• Oklahoma Tax Commission
• Texas Comptroller of Public Accounts
• Texas Tax Overview
• Texas Taxable Entity Search

State & Local Tax Resources

• Kansas Department of Revenue – Business Tax
• KDOR Forms for Business Taxation
• Kansas Department of Revenue Streamlined Sales Tax Project
• State and local sales tax rates
• State Income Tax, Sales Tax and Excise Tax Data (Federation of Tax Administrators)
• Tax Foundation Center for State Tax Policy
• Texas Franchise Tax

Tangible Asset Property Repair Regulations

• Final IRS Guidance Regarding Deduction and Capitalization of Expenditures Related to Tangible Property
• AICPA Quick Summary Chart of Final Tangible Property Regulations
• AICPA Tangible Property Regulations: Question and Answer

Cost Segregation Studies

• IRS Audit Techniques Guide

Research & Development Tax Credits

• Research Credit Claims Audit Techniques Guide (RCCATG): Credit for Increasing Research Activities § 41
• Pharmaceutical Industry Research Credit Audit Guidelines