TaxProf Blog

Editor: Paul L. Caron, Dean
Pepperdine University School of Law

Tuesday, January 8, 2013

Joint Tax Committee Releases Overview of the Federal Tax System as in Effect for 2013

Joint Tax CommitteeThe Joint Committee on Taxation today released Overview of the Federal Tax System as in Effect for 2013 (JCX-2-13):

This document ... provides a summary of the present-law Federal tax system as in effect for 2013. The current Federal tax system has four main elements: (1) an income tax on individuals and corporations (which consists of both a “regular” income tax and an alternative minimum tax); (2) payroll taxes on wages (and corresponding taxes on self-employment income) to finance certain social insurance programs; (3) estate, gift, and generation-skipping taxes, and (4) excise taxes on selected goods and services. This document provides a broad overview of each of these elements.

A number of aspects of the Federal tax laws are subject to change over time. For example, some dollar amounts and income thresholds are indexed for inflation. The standard deduction, tax rate brackets, and the annual gift tax exclusion are examples of amounts that are indexed for inflation. In general, the IRS adjusts these numbers annually and publishes the inflation-adjusted amounts in effect for a tax year prior to the beginning of that year. Where applicable, this document generally includes dollar amounts in effect for 2013 and notes whether dollar amounts are indexed for inflation. A number of the inflation indexed 2013 values have not yet been published by the IRS. In these cases, the referenced figures were calculated by the Joint Committee Staff in accordance with the governing statute and published Consumer Price Index values.

In addition, a number of the provisions in the Federal tax laws have been enacted on a temporary basis or have parameters that vary by statute from year to year. For simplicity, this document describes the Federal tax laws in effect for 2013 and generally does not include references to provisions as they may be in effect for future years or to termination dates for expiring provisions.

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