Power of Attorney Execution Requirements by U.S. Jurisdiction (2026)

What each of the 51 U.S. jurisdictions requires for a valid financial power of attorney - signing formalities, whether a statutory form exists, and whether the document is durable by default. Read from each jurisdiction's own legislature, courts or agency site on 2026-08-03. Why the execution field is the point: getting the signing requirements wrong does not produce a weaker power of attorney - it produces one a bank can reject and a court can disregard. The dataset therefore gates on that field specifically: 28 of 51 rows had the statute actually read with an execution requirement captured. Rows verified on execution but uncertain on a secondary field are flagged partial and report that per field, so a verified execution rule is never withheld because a lesser field was uncertain. The variance is larger than most summaries suggest: Pennsylvania requires notary and two witnesses cumulatively, with different consequences for omitting the Notice versus the agent's Acknowledgment; New York since June 2021 requires notary, two witnesses excluding agents and gift recipients, and a separately acknowledged agent signature; Massachusetts requires neither notarisation nor witnesses; Florida bars springing powers outright; Nevada allows a third party 10 business days where nine other verified states allow 7; and Michigan repealed its prior statute in July 2024 and adopted the Uniform Act. Law-firm blogs and commercial form sites were forbidden as sources of fact, and any official form URL pointing at a commercial host was dropped.