LC-09 · Labor
At-will firing
No reason required
In ordinary words
In every U.S. state except Montana, an employer can generally fire a worker for a good reason, a bad reason, or no stated reason, as long as the reason is not illegal.
Why people call it a crime
“They fired me because the new manager didn’t like me” sounds like an injustice that a court should fix. In most of the country it is not a lawsuit.
A scene, not a hypothetical statute
Fifteen years on the job. A new boss wants a different “energy.” There is no union contract. The worker is walked out on a Friday. The separation letter gives no reason. That can be lawful.
In legal terms
At-will employment is the default common-law rule. Illegal reasons include discrimination under Title VII, the ADEA, and the ADA; retaliation for protected concerted activity under the NLRA; whistleblowing under Sarbanes-Oxley and state statutes; and firing to avoid a vested benefit. Contract, handbook, and public-policy exceptions vary by state. Montana’s Wrongful Discharge from Employment Act requires good cause after a probationary period.
Courts treat the employment relationship as terminable by either side unless a statute or contract says otherwise. Job security is not a background constitutional right.
State common law; Title VII, 42 U.S.C. § 2000e; NLRA § 7; Montana WDEA.
Where it stops being legal
A firing motivated by race, sex, religion, disability, age (40+), protected leave, union activity, or a legally protected report is unlawful even in an at-will state.