Choose the Right Corporation Income Tax Form

Form 500, Corporation Income Tax Return is used by a corporation and certain other organizations to file an income tax return for a specific tax year or period.

Form 500CR, Business Tax Credits is used by individuals and businesses to claim allowable business tax credits.

Form 500D, Declaration of Estimated Corporation Income Tax is used by a corporation to declare and remit estimated income tax when the preprinted Form 500DP is unavailable.

Form 500DM, Decoupling Modification is used by corporations to determine the amount of required modification associated with the provisions of the federal Job Creation and Worker Assistance Act.

Form 500E, Application for Extension of Time to File Corporation Income Tax Return is used by a corporation to request an extension of time to file the corporation income tax return and to remit any balance of tax due.

Form 500UP, Underpayment of Estimated Income Tax by Corporations is used by a corporation to calculate the amount of interest and penalty for failure to pay the requirement required amount of estimated income tax when due.

S corporations, partnerships and LLCs

S corporations, partnerships and limited liability companies should not file a corporation income tax return. These businesses must file as pass-through entities.