Can Unions Donate to Political Campaigns? PAC Limits and Member Rights

Yes, unions can donate to political campaigns, but not straight out of their general treasuries when federal office is on the ballot. To put money directly into a federal candidate’s hands, a union has to route it through a political action committee funded by voluntary contributions. To spend at scale, unions rely on two uncapped channels: independent expenditures paid from treasury funds and unlimited donations to Super PACs.

What Unions Cannot Do With Treasury Money

Federal law prohibits labor organizations from using general treasury funds to contribute to candidates for federal office. The ban at 52 U.S.C. § 30118 covers presidential, Senate, and House races, including primaries and caucuses.¹ Treasury funds come mainly from member dues, and the law’s logic is that money collected as a condition of employment shouldn’t flow to candidates without each member’s consent.

The prohibition reaches beyond checks. If a union pays for something at a candidate’s request or in consultation with the campaign, that spending counts as a contribution. It’s also illegal for a candidate or political committee to knowingly accept a barred union treasury contribution.¹ This federal ban governs federal races only; state and local rules vary, and some states allow union treasury contributions in their own elections.

Donating Through a Union PAC

The way unions put money directly into federal campaigns is through a political action committee, formally called a “separate segregated fund.” The PAC is legally distinct from the union’s treasury. Every dollar it contributes to candidates has to come from voluntary donations, not dues. The union can use treasury money to set up the PAC, pay its administrative costs, and run fundraising drives, but the political contributions themselves flow only from money people chose to give.²

A union PAC can’t fundraise from just anyone. FEC rules limit its “solicitable class” to the union’s members, its executive and administrative personnel, and the families of both groups.³ Under the 2025–2026 limits, an individual can give up to $5,000 per year to a union PAC.⁴

How Much a Union PAC Can Give a Candidate

The cap on PAC-to-candidate giving depends on whether the PAC qualifies as a “multicandidate committee.” A PAC reaches that status after being registered with the FEC for at least six months, taking contributions from more than 50 people, and giving to at least five federal candidates. Most established union PACs clear all three bars. A multicandidate PAC can give $5,000 per candidate per election; one that hasn’t yet qualified is capped at $3,500 per candidate per election.⁴

Primaries and general elections count separately, so a multicandidate union PAC can effectively put $10,000 behind a single candidate across a full cycle. Modest, next to the totals unions actually spend on politics. But direct PAC contributions are the smallest piece.

Super PACs and Independent Spending

The uncapped side of union political money runs through two channels.

Independent Expenditures

The Supreme Court’s 2010 decision in Citizens United v. FEC struck down the ban on unions and corporations using treasury funds for independent political communications, holding that “political speech must prevail against laws that would suppress it, whether by design or inadvertence.”⁵ A union can now spend unlimited treasury money on ads, mailers, and other communications that expressly support or oppose a candidate, so long as the spending is completely independent of the campaign. No coordination, no consultation, no shared strategy.

Super PAC Contributions

Unions can also write unlimited checks from their treasuries to independent expenditure-only committees, better known as Super PACs. The FEC’s contribution limits chart confirms that Super PACs “may accept unlimited contributions, including from corporations and labor organizations.”⁴ This is the channel that carries the largest sums. The union writes the check; the Super PAC then spends the money on independent communications for or against candidates.²

The condition for both routes is the same: no coordination with the candidate. If the FEC finds that spending was coordinated, it gets treated as an in-kind contribution and falls back under the direct-contribution limits and the treasury ban.

Member Communications and Get-Out-the-Vote

The treasury ban has a carve-out for internal union communications. Under § 30118, a labor organization can spend treasury money on messages to its members and their families about any subject, including explicit endorsements.¹ Newsletters, emails, and text messages recommending specific candidates are legal as long as they go to the union’s own people. These internal messages can even be coordinated with a campaign without triggering contribution limits.⁶

Voter registration and get-out-the-vote drives work the same way. When aimed at members and their families, they can be partisan. When aimed at the general public, they have to be nonpartisan, focused on the act of voting rather than a particular candidate.¹

What Gets Reported

Union political spending isn’t anonymous. A union PAC has to register with the FEC, file regular financial reports, and disclose the name and occupation of any individual contributor who gives more than $200 in a calendar year.⁷ Those filings are public and searchable through the FEC’s online database. Independent expenditures above certain thresholds must also be reported, with details about which candidate the spending was intended to support or oppose. Unions face separate Department of Labor reporting on how treasury funds are spent politically, so significant activity leaves a paper trail on both sides.

Penalties for Breaking the Rules

Violations carry civil and criminal consequences. The FEC can impose administrative fines calculated on factors like the level of financial activity, how late a required report was filed, and the committee’s prior violations.⁸ Fines for a single unfiled report can run into the thousands, and repeat offenders face escalating penalties.

Criminal prosecution is reserved for willful violations, with a maximum prison sentence of two years for less serious offenses and five years for more serious ones.⁹ Sentencing guidelines call for enhanced penalties when violations involve intimidation or coercion, such as a union using threats of job discrimination or financial retaliation to extract political contributions from members.

If You’re a Member and Object to Your Dues Funding Politics

Federal law gives you options, and the specifics depend on whether you work in the private or public sector.

Private Sector: Beck Rights

Under Communications Workers v. Beck, private-sector workers covered by a union-security agreement can decline full membership and pay only the share of dues that covers core representational work: collective bargaining, contract administration, and grievance handling.¹⁰ The union must tell you this option exists. If you file a Beck objection, the union has to state the percentage by which your fees will be reduced, explain the calculation, and give you the right to challenge it. The reduction covers everything beyond what’s “germane to the union’s duties as bargaining agent,” which the NLRB has held includes lobbying, even lobbying that indirectly affects bargaining.¹¹

Public Sector: Janus Rights

Public-sector workers have broader protection. In Janus v. AFSCME (2018), the Supreme Court ruled that government employees who aren’t union members cannot be required to pay any fees to the union, overruling decades of precedent.¹² A public-sector worker who declines membership pays nothing, not a reduced fee. Every dollar a public-sector union spends politically now comes from workers who chose to stay and pay full dues.

1
Office of the Law Revision Counsel. 52 U.S. Code 30118 – Contributions or Expenditures by National Banks, Corporations, or Labor Organizations
2
Federal Election Commission. Registering as an SSF
3
Federal Election Commission. Membership-Labor Organization PAC Operations Part 1
4
Federal Election Commission. Contribution Limits for 2025-2026
5
Federal Election Commission. Citizens United v. FEC
6
Federal Election Commission. Communications and Other Support by Corporations and Labor Organizations
7
Federal Election Commission. Individual Contributions to Federal Candidates and Committees
8
Federal Election Commission. Calculating Administrative Fines
9
United States Sentencing Commission. Report to the Congress: Increased Penalties for Campaign Finance Offenses and Legislative Recommendations
10
National Labor Relations Board. Union Dues
11
National Labor Relations Board. NLRB Sets Standards Affecting Beck Objectors, Union Lobbying Expenses Are Not Chargeable
12
Justia U.S. Supreme Court. Janus v. AFSCME, 585 U.S. ___ (2018)