30 active agreements · 16 states + DC

Reciprocity Lookup Tool

Enter your residence state and your employer's state. We'll tell you instantly whether reciprocity applies, which exemption form to file, and exactly what it means for your paycheck.

Enter your two states

The lookup updates instantly as you change selections.

All 30 reciprocity agreements

The complete list of state reciprocity agreements currently in effect. Each row shows the state, its reciprocity partners, and the exemption form number.

State Reciprocity partners Exemption form
IL — Illinois
IN IA KY MI WI
IL-W-5-NR
IN — Indiana
IL KY MI OH PA WI
WH-47
IA — Iowa
IL
IA 220
KY — Kentucky
IL IN MI OH VA WV WI TN
42A809
MI — Michigan
IL IN KY MN OH WI
MI-W4
MN — Minnesota
MI ND
MWR
MD — Maryland
VA WV DC PA
MW507
VA — Virginia
KY MD WV DC
VA-4
WV — West Virginia
KY MD OH VA PA
WV/IT-104 R
DC — District of Columbia
MD VA
D-4A
OH — Ohio
IN KY MI PA WV
IT 4-R
PA — Pennsylvania
IN KY MD NJ OH VA WV
REV-419
NJ — New Jersey
PA
NJ-165
ND — North Dakota
MN MT
NDW-R
MT — Montana
ND
MT-IC
WI — Wisconsin
IL IN KY MI
WI-220
TN — Tennessee
KY

How reciprocity actually works

Without reciprocity

Your employer withholds income tax for the work state. At year-end, you file a non-resident return in the work state and a resident return in your home state, claiming a credit for taxes paid to the work state. You may be locked into a refund cycle and lose cash flow.

With reciprocity

You file a state-specific exemption form (e.g., MW507, VA-4, IT 4-R) with your employer. The employer stops withholding the work state's income tax. Only your residence state withholds. No refund cycle, no credit paperwork, no cash flow loss.

Important: Reciprocity only applies to wages. If you have non-wage income (interest, dividends, rental, business) sourced to the work state, you may still owe tax there. Reciprocity also does not cover local taxes like NYC, Philadelphia wage tax, MD county tax, OH school district tax, or IN county tax.