The Katsina State Internal Revenue Service has the following organizational Structure composition 7 Department and 21 Units▸Office of the Executive Chairman1. Technical 2. internal Audit 3. internal Control▸Department of Admin & Supply1. Monitoring and Evaluation 2. Secret Registry 3. Open Registry Store ▸Department of Standard & Compliance1. Tax Audit Unit 2. Taxpayer Service Unit 3. Monitoring Unit 4. Debt Management Unit -▸Department of Collection Control1. Non Tax Revenue 2. Tax Reconciliation 3. Self Expended MDAs▸Department of Road Taxes1. CMR 2. MLA 3. NDL▸Department of Personal Income Tax1. Direct Assessment/ Payee 2. Intelligence & Investigation 3. Presumptive Tax ▸Department of Planning Research & Statistics1. Planning 2. Research 3. Statistics▸Department of Finance & Account