# Joint and several liability rule · Arizona — Comparative fault system and joint and several liability rules by state

For Joint and several liability rule · Arizona, state is Arizona; rule type is Joint and several liability rule; joint liability rule is Defendants are responsible only for their proportionate share of negligence, except where co-defendants act in concert or a person is an agent or servant of a party, or violations of duties created under the Federal Employer’s Liability Act; statutory citation is Arizona Statutes § 12-2506 (2001), recorded from its source on 2026-08-31.

- **State:** Arizona _(our reading, not quoted from the source)_
- **Rule type:** Joint and several liability rule _(our reading, not quoted from the source)_
- **Joint liability rule:** Defendants are responsible only for their proportionate share of negligence, except where co-defendants act in concert or a person is an agent or servant of a party, or violations of duties created under the Federal Employer’s Liability Act. _(verified: appears in the quote below)_
- **Statutory citation:** Arizona Statutes § 12-2506 (2001). _(verified: appears in the quote below)_

## What the source says

> Yes. Defendants are responsible only for their proportionate share of negligence, except where co-defendants act in concert or a person is an agent or servant of a party, or violations of duties created under the Federal Employer’s Liability Act. Arizona Statutes § 12-2506 (2001).

## Source

- https://www.ama-assn.org/system/files/mlr-state-laws-chart-I.pdf

Last verified: 2026-08-31. Review by: 2027-08-31.
Part of [Comparative fault system and joint and several liability rules by state](https://referencesource.org/state-comparative-fault-joint-liability-rules/).