Taft-Hartley Act

Taft-Hartley Act is the Labor Management Relations Act of 1947, which amended the National Labor Relations Act to restrict certain union practices, permit state right-to-work laws and allow presidential injunctions against national emergency strikes.

1947 US federal Enforced by NLRB Labor Management Relations Act, 29 U.S.C. 141 et seq.

What it requires

The act defines union unfair labor practices, bans secondary boycotts and closed shops, and lets states pass right-to-work laws under Section 14(b). It lets the President seek a court injunction imposing an 80-day cooling-off period when a strike or lockout threatens national health or safety, a power used in the 2002 West Coast port lockout. It also created the Federal Mediation and Conciliation Service and requires 60 days notice before ending a contract.

Why it matters

Taft-Hartley matters to logistics mainly as the emergency brake on port, trucking and warehouse labor disputes. Its 80-day injunction power is the tool Washington reaches for when a port strike or lockout threatens supply chains, which shapes how shippers plan around contract expirations. For example, during the 2002 West Coast lockout, President Bush used Taft-Hartley to reopen ports, and shippers still watch for it when ILA or ILWU contracts near expiration, such as before the 2024 East and Gulf Coast port strike.

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Not legal advice.