The Michigan Department of Treasury issued a Revenue Administrative Bulletin (RAB) describing the taxation of computer software and digital products to reflect updated case law and legislation enacted in 2004, which, among other things, defined “tangible personal property” to include “prewritten computer software.” The RAB provides that the “key feature” in determining whether prewritten software is taxable is whether a party exercises a right or power over it, which turns on how it was delivered. For example, if a user merely accesses the software through a third-party server outside of the state, the software is not taxable. Additionally, the RAB provides that the Department will use the “incidental to service” test to determine whether a transaction that includes prewritten software and professional services is taxable. The RAB specifies that digital goods that are not prewritten computer software, like e-books, movies streamed over the internet, or podcasts are not taxable, but noted that applications or video games downloaded or otherwise installed onto electronic devices could constitute prewritten computer software. Finally, the RAB provide how to source sales of prewritten computer software following the repeal a statute that allowed consumers to apportion tax for software through a multiple-points-of-use exemption certificate.