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South Dakota resources for small businesses.

There are some differences between a reporting agent authorized under Form 8655, Reporting Agent Authorization and an agent appointed using Form 2678, Employer/Payer Appointment of Agent.

Housing and utilities allowable expenses for Pennsylvania.

Information about Form 2220, Underpayment of Estimated Tax By Corporations, including recent updates, related forms, and instructions on how to file. Form 2220 is used by corporations, certain tax-exempt organizations, and private foundations to determine whether they are subject to the penalty for underpayment of estimated tax, and if so, the amount of the penalty.

Oregon resources for small businesses.

Information about Form 4466, Corporation Application for Quick Refund of Overpayment of Estimated Tax, including recent updates, related forms, and instructions on how to file. Form 4466 is used by corporations that overpaid their estimated tax for the year to apply for a quick refund.

Azerbaijan - Tax Treaty Documents

A set of voluntary mediation programs that may help you settle your tax dispute more quickly than a traditional appeal.

Information for payroll professionals and their clients. This page includes links to information on employment taxes, worker classification, electronic filing, employment tax related forms and publications, news and events, and more.

Information to assist reporting agents. Includes process, system, and other information to avoid common mistakes.