Apportionment

Illinois Apportionment of Service Income and Unitary Partnerships

Effective for tax years ending on or after Dec. 31, 2008, Illinois enacted a form of market sourcing for sales of services. As part of this change, Illinois excludes a taxpayer’s sales of services from the sales factor when the taxpayer is not subject to tax in the state where the services are received.

Alternative Apportionment: Fairness Is Not the Only Factor

Alternative apportionment provides taxpayers and tax administrators with a means to obtain ad hoc relief when the application of a state’s standard apportionment formula fails to reflect a taxpayer’s business activities in the state.

New Developments in Sourcing Services for Telecommunication Companies

Effective planning and recordkeeping in the apportionment area call for an in-depth understanding of a taxpayer’s business model, including technology-based processes and the related cost accounting systems used, in order to source revenues to the appropriate jurisdiction.

Current Corporate Income Tax Developments (Part II)

This two-part article discusses myriad recent state tax activities in the corporate income tax area. Part II addresses apportionment, unitary groups/filing methods, administration and other significant issues.

Newsletter Articles

PRACTICE MANAGEMENT

Tax software survey

Our annual survey offers a look at how CPAs judged their tax preparation software in a wide range of types of practices.

NEWS

Congress enacts tax reform

Here are many of the most important provisions in the new law that affect both individual taxpayers and businesses. All changes were effective Jan. 1, 2018, except as noted.