What documents prove your primary state of residence
PSOR can be evidenced by items such as:
- A driver’s license or state-issued ID
- Voter registration card
- A federal income tax return showing your home address
- A military form (for active-duty members and certain spouses)
- A W-2 form from an employer
These show where your real, legal home is — not just where you happen to be working temporarily.
Boards do not all ask for the same documents, and they decide what they will accept. Most look for consistency: if your driver’s license says one state and your tax return says another, expect to be asked about it. Resolve the inconsistency before you apply rather than after. Your board is the only authority on which documents satisfy it — check with your board of nursing before relying on any list, including this one.
The PSOR declaration and review
When you apply for a multistate license you declare your primary state of residence. That declaration is a formal statement to the board, not a preference you are expressing, and you may be asked to produce evidence supporting it.
If a board reviews your declaration and finds your legal home is somewhere else, the outcome follows your real residence rather than the state you named. Declaring a compact state you do not actually live in does not create eligibility for a multistate license, and it can put your license at risk. See disciplinary actions.
Why PSOR matters for your license
If your PSOR is a compact state, you can hold a multistate license and practice across all compact states. If your PSOR is a non-compact state, you cannot get a multistate license — you would hold a single-state license instead. This is the single biggest factor in whether the compact helps you.
Working in one state but living in another
Working temporarily in another state does not change your PSOR. Travel nurses, for example, usually keep their home state as their PSOR and rely on compact privilege to work elsewhere. Use the compact state checker to see how your home and work states interact.
Changing your primary state of residence
When you genuinely move and establish a new legal home, your PSOR changes. You then apply for licensure in the new home state — generally within 60 days. See the 60-day moving rule.