I'm bumping this list to the top of The Paycheck Chronicles because many states have recently issued directions on the impact of the Military Spouses Residency Relief Act on income taxes. If you have a link that I don't have, please let me know. This will be a work-in-progress and I will update it constantly.
There are so many issues and hopefully some of these links will help you find answers!
Arkansas: Military Spouses Residency Relief Act
District of Columbia: Taxation of Compensation of Military Members and Spouses
Idaho: Idaho Tax Commission FAQs
Iowa: Iowa 2009 Expanded 1040
Kentucky: Hot Topics
Maine: Maine Tax Alert November 2009 (about 1/4 of way down)
Maryland: Employer Withholding Tax Alert, MW507 (Withholding Certificate, with instructions for military spouses), Administrative Release No 1. Military Personnel and Civilian Spouses
Massachusetts: Working Draft of Technical Information Release 09-23 (this is not a final release but rather their working copy)
Missouri: Page 13 of Reference Guide,
New Hampshire: Driver's License Information
New Jersey: Military Spouses Residency Relief Act
New York: Certificate of Exemption from Withholding, Taxpayer Guidance Military Spouses Residency Relief Act, New York State Income Tax Information For Military Personnel and Veterans, Publication 361
Oklahoma: Directions for Non-Residents Who Are Not Required to File (see page 4, though it isn't terribly clear.)
South Carolina: Military Spouses Residency Relief Act
Keep sending me links and I'll keep adding them!