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    South West
    2026 Tax Year

    Osun State Tax Guide

    Complete guide to filing taxes with Osun State Internal Revenue Service (OSIRS). Everything you need to know about tax obligations, filing process, and deadlines in Osun.

    How do I file taxes in Osun?

    To file taxes in Osun, register with OSIRS, obtain your TIN, complete your Annual Return form with your income details, and submit at the tax office. The deadline is March 31st annually.

    What is the tax authority in Osun?

    The Osun State Internal Revenue Service (OSIRS) is the official tax authority for Osun State.

    Osun State Internal Revenue Service

    Phone

    035-243-0001

    Email

    info@osirs.gov.ng

    Address

    Revenue House, Osogbo, Osun State

    How do I file taxes in Osun?

    File taxes with OSIRS by registering for a TIN, completing your Annual Return form, and submitting at the tax office by March 31st.

    How to File Taxes in Osun

    1. 1Visit OSIRS office
    2. 2Register for TIN
    3. 3Complete Annual Return
    4. 4Submit with documentation
    5. 5Pay at designated banks
    6. 6Collect tax receipt

    What are the major industries in Osun?

    Osun's economy is driven by Agriculture, Education, Culture & Tourism.

    Osun Economic Profile

    Osun State has a mixed economy with agriculture, culture, and education as key sectors. The Osun-Osogbo festival attracts significant tourism.

    Major Industries

    Agriculture
    Education
    Culture & Tourism
    Trading
    Mining

    Where are tax offices located in Osun?

    OSIRS has 1 tax office across Osun State.

    Tax Offices in Osun

    OSIRS Headquarters

    Revenue House, Osogbo

    What are key facts about Osun taxes?

    Home to Osun-Osogbo Sacred Grove (UNESCO site)

    Key Facts About Osun Taxes

    • Home to Osun-Osogbo Sacred Grove (UNESCO site)
    • Strong cultural heritage and festivals
    • Growing educational sector
    • Agricultural base with cocoa production

    Common questions about Osun taxes

    Find answers to frequently asked questions about filing taxes, getting a TIN, and contacting OSIRS.

    Frequently Asked Questions

    How do I file taxes in Osun?

    To file taxes in Osun, visit the OSIRS office, register for a TIN if you don't have one, complete your Annual Return using your income records, and submit with required documents. Payment can be made at designated banks.

    What is the tax authority in Osun?

    The tax authority in Osun is the Osun State Internal Revenue Service (OSIRS). Their website is https://osirs.gov.ng.

    What documents do I need to file taxes in Osun?

    To file taxes in Osun, you typically need: TIN certificate, bank statements showing income, rent receipts (for rent relief), pension contribution statements, and previous year's tax clearance certificate if applicable.

    When is the tax filing deadline in Osun?

    The annual tax filing deadline in Osun is March 31st of each year for the previous tax year. For example, taxes for 2026 must be filed by March 31, 2027.

    How do I get a TIN in Osun?

    To get a TIN in Osun, visit the OSIRS office at Revenue House, Osogbo, Osun State with your valid ID, proof of address, and passport photographs. The process is usually free and can be completed same-day.

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    Osun Tax Filing

    To file taxes in Osun, visit OSIRS (Osun State Internal Revenue Service). The filing deadline is March 31st annually. Contact: 035-243-0001.

    KeepAm Nigerian Tax Guide 2026Verified: January 2026

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