Multistate Tax Commission

Official Website: https://www.mtc.gov/

Forms & Documents

Browse all Multistate Tax Commission government forms

241 - 260 of 1431 forms

Form Title Topics
2025 Form 504-I Application for Extension of Time to File an Oklahoma Income Tax Return Individuals
2025 Form 504-PTE Application for Extension of Time to File and Oklahoma Income Tax Return for Electing Pass-Through Entities
2025 Form 505 Injured Spouse Claim and Allocation
2025 Form 506 Investment New Jobs Credit
2025 Form 511-CR Other Credits Form
2025 Form 511-EF Oklahoma Individual Income Tax Declaration for Electronic Filing
2025 Form 511-EIC Oklahoma Earned Income Credit Worksheet
2025 Form 511-NOL Oklahoma Net Operating Loss Full Year Residents Only
2025 Form 511-NR-NOL Oklahoma Net Operating Loss(es) Nonresident Part-Year Residents Only
2025 Form 511-NR Oklahoma Individual Income Form for Nonresidents and Part-Year Residents Packet & Instructions
2025 Form 511 Oklahoma Resident Individual Income Tax Forms Packet & Instructions
2025 Form 511-TX Credit for Tax Paid to Another State
2025 Form 511-V Individual Income Tax Payment Voucher
2025 Form 512-E Oklahoma Return of Organization Exempt from Income Tax
2025 Form 512 Oklahoma Corporation Income Tax Return Packet & Instructions
2025 Form 512-S Oklahoma Small Business Corporation Income Tax Return Packet & Instructions
2025 Form 513-NR Nonresident Fiduciary Income Tax Return Packet & Instructions
2025 Form 513 Oklahoma Resident Fiduciary Income Tax Return Packet & Instructions
2025 Form 514 Oklahoma Partnership Income Tax Return Packet & Instructions
2025 Form 518-A Venture Capital Company Report for Investors

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