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S. 604 (116th): Mobile Workforce State Income Tax Simplification Act of 2019

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About the bill

Should state income taxes be collected on someone who works one day, one week, or only a few weeks in a state outside of their residency?


In an America increasingly influenced by the gig economy or employees stitching together multiple jobs, many people are working in two, three, or even more states over the course of the year. Some temporary assignments can last as little as one day, or one week, or barely provide any income at all.

Yet the patchwork of varying state laws can create havoc for these employees’ income taxes. As an example, New York state income taxes kick in once somebody has worked 14 days in the state for the year, while Wisconsin’s kick in once somebody has earned at least $1,500 within the …

Sponsor and status

John Thune

Sponsor. Senior Senator for South Dakota. Republican.

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Last Updated: Feb 28, 2019
Length: 7 pages
Feb 28, 2019
116th Congress (2019–2021)
Died in a previous Congress

This bill was introduced on February 28, 2019, in a previous session of Congress, but it did not receive a vote.

Although this bill was not enacted, its provisions could have become law by being included in another bill. It is common for legislative text to be introduced concurrently in multiple bills (called companion bills), re-introduced in subsequent sessions of Congress in new bills, or added to larger bills (sometimes called omnibus bills).


38 Cosponsors (19 Democrats, 18 Republicans, 1 Independent)



Feb 28, 2019

Bills and resolutions are referred to committees which debate the bill before possibly sending it on to the whole chamber.

S. 604 (116th) was a bill in the United States Congress.

A bill must be passed by both the House and Senate in identical form and then be signed by the President to become law.

Bills numbers restart every two years. That means there are other bills with the number S. 604. This is the one from the 116th Congress.

This bill was introduced in the 116th Congress, which met from Jan 3, 2019 to Jan 3, 2021. Legislation not passed by the end of a Congress is cleared from the books.

How to cite this information.

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“S. 604 — 116th Congress: Mobile Workforce State Income Tax Simplification Act of 2019.” 2019. August 10, 2022 <>

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