About Form 1120-L Additional Publications You May Find Useful

About Publication 538

Publication 538 explains some of the rules for accounting periods and accounting methods. It is not intended as a guide to general business and tax accounting rules.

About Publication 542

Publication 542 discusses the general tax laws that apply to ordinary domestic corporations.

About Publication 947

Publication 947 discusses who can represent a taxpayer before IRS and what forms or documents are used to authorize a representative. Usually, attorneys, CPAs, enrolled agents, and enrolled actuaries can represent taxpayers before IRS. This publication discusses who can represent a taxpayer before the IRS and what forms or documents are used to authorize a representative.

Publication 966, Electronic Federal Tax Payment System (EFTPS) (PDF)

EFTPS is the free Electronic Federal Tax Payment System provided by the U.S. Department of the Treasury.

Publication 1546, Taxpayer Advocate Service - Your Voice at the IRS (PDF)

Publication 1546, Taxpayer Advocate Service - Your Voice at the IRS (PDF)

Publicación 1546 (SP), El Servicio del Defensor Contribuyente (PDF)

El Servicio del Defensor del Contribuyente (TAS, por sus siglas en inglés) es su voz ante el IRS. Nuestro trabajo es asegurar que cada contribuyente sea tratado imparcialmente, y que usted conozca y entienda sus derechos.