What Is the Taft-Hartley Act?

What Is the Taft-Hartley Act?

The Taft-Hartley Act was implemented in response to a series of significant strikes that occurred in 1945 and 1946. The 1947 Act restricts specific union practices and mandates the disclosure of their financial and political undertakings. Despite Harry S. Truman's veto of the legislation, it was overridden by both the House and Senate, resulting in it becoming law. The Labor Management Relations Act (LMRA), also called the Taft-Hartley Act, was established as an amendment to the Wagner Act of 1935. The Taft-Hartley Act has undergone six amendments, including recent updates to laws related to the right to work.


In 1947, the United States introduced the Taft-Hartley Act, a federal law that served as an extension and modification of the previously enacted Wagner Act of 1935. This significant legislation sought to curtail specific union practices and enforced the mandatory disclosure of financial and political activities conducted by unions.

The enactment of the Taft-Hartley Act faced initial resistance when President Truman vetoed the bill. However, determined to see it through, Congress rallied and successfully overrode the presidential veto, solidifying the Act's implementation and its impact on labor relations.

The 1947 Taft-Hartley Act: Countering Union Abuses and Expanding Labor Relations

In 1947, the United States Congress passed the Labor Management Relations Act (LMRA), popularly known as the Taft-Hartley Act, amending the 1935 National Labor Relations Act (NLRA) or Wagner Act. This crucial legislation was enacted despite President Harry Truman's veto being overridden by the Republican-controlled Congress, driven by the business lobby's encouragement.

Though union critics of that era disparaged it as the "slave-labor bill," its primary objectives were to address union abuses, quell post-World War II large-scale strikes, and suppress Communist influence within the labor movement. This comprehensive law aimed to bring balance to labor relations.

As with its predecessor, the Wagner Act, the Taft-Hartley Act excluded domestic help and farmworkers from its coverage.

Key Amendments and Impacts of the Taft-Hartley Act

In 1947, President Harry Truman introduced the Taft-Hartley Act, which significantly modified the Wagner Act, addressing the unfair practices of labor unions. The Act implemented six crucial amendments aimed at safeguarding employees from union-related harm.

The first amendment protected employees' right to form unions and engage in collective bargaining, curbing coercion that could lead to employee discrimination. The second amendment prohibited employers from refusing to hire individuals based on union membership, while still permitting agreements mandating union joining within the first 30 days of employment.

Another amendment compelled unions to engage in good-faith bargaining with employers, maintaining a balance with the provisions under the Wagner Act. Additionally, the Act outlawed secondary boycotts by unions, preventing coercive measures against other entities in response to disputes with an employer.

Fifthly, the Act prohibited unions from exploiting their members or employers, forbidding excessive fees or causing payment for unperformed work. Lastly, it introduced a free speech clause, allowing employers to express their views on labor matters without facing unfair labor practice charges, provided they avoid threats or retribution against employees.

In February 2021, the National Right to Work Act was reintroduced, granting employees nationwide the choice to opt out of union membership and dues. However, the legislation previously stalled in 2019 and 2017. Conversely, the Protecting the Right to Organize Act (PRO Act) was passed by the United States House of Representatives in March 2021, proposing pro-union measures that could override right-to-work laws.

Currently, right-to-work laws are enforced in several states, including Alabama, Arizona, Arkansas, Florida, and others. Wisconsin was the most recent state to enact such legislation in 2015.

The Taft-Hartley Act also brought changes to union election rules, excluding supervisors from bargaining groups and introducing four new types of elections. Employers were given the right to vote on union demands, and employees gained the ability to assess incumbent unions' status and determine union representation withdrawal.

In 1951, Congress repealed the provisions governing union shop elections. This marked a significant shift in labor relations in the United States, creating a new framework for employee-union dynamics.


In 1947, the Taft-Hartley Act was enacted to protect employee rights from unfair practices imposed by labor unions. The act established prohibitions against specific union practices and mandated disclosing certain activities. However, despite its intentions, the act has faced criticism from detractors who argue that it has weakened labor laws and diminished worker rights.

Taft-Hartley Act
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