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Updated March 3, 2016
Candidates, Groups, and the Campaign Finance Environment: 
A Brief Overview
Once the purview of only political parties and candidates, 
campaigns, and which policy options are available to 
the campaign environment now features several different 
Congress and regulatory agencies. 
kinds of entities, ranging from candidate campaigns to 
political parties, political action committees, and “outside” 
Contributions to Candidates 
groups.  Some organizations’ activities are controversial 
Party committees, candidate committees, and traditional 
amid debate over whether groups are primarily influencing 
political action committees (PACs) are 
political 
campaigns or engaging in policy advocacy.  This CRS “In 
committees, regulated primarily by the Federal Election 
Focus” highlights the various political entities that 
Campaign Act (52 U.S.C. § 30101 
et seq.; FECA).  Along 
influence presidential and congressional elections, and 
with contributions from individuals, most financial support 
which, in turn, shape the environment for candidates. 
for candidates comes from these political committees, 
subject to contribution limits.  Parties and PACs can also 
The Campaign Environment and Campaign 
spend independently to support or oppose candidates. In 
Finance Policy 
addition, parties can make limited coordinated expenditures 
in consultation with candidates.  Candidate committees, 
Historically, political parties and candidates were the major 
party committees, and traditional PACs dominated the 
actors in campaigns.  Party influence waned during the 20th 
century as voters and campaigns became more “candidate
campaign finance landscape into the 1990s, and especially 
-
centered.” The landscape changed more subs
before 
Citizens United (2010). 
tantially with 
the Supreme Court’s 1976 
Buckley v. Valeo decision, which 
Candidates (usually congressional candidates) can also rely 
lifted restrictions on independent expenditures (IEs) calling 
on 
leadership PACs to support colleagues’ campaigns.  
for election or defeat of candidates.  
Buckley marked the 
Originally associated with members of the House and 
beginning of a distinction between contributions and 
Senate leadership, many officeholders now maintain 
expenditures that permitted groups other than parties and 
leadership PACs.  Similarly, congressional and presidential 
candidates to influence campaigns.  More recently, the 2010 
candidates can raise money through 
joint fundraising 
Citizens United ruling invalidated a prohibition on 
committees with parties or other candidates.  Some believe 
corporate and union IEs in federal (and other) elections.  
that joint fundraising committees, leadership PACs, or both 
New groups, which found new ways to support and oppose 
could become more important following the Supreme 
candidates, emerged after both decisions. 
Court’s 2014 
McCutcheon decision, which lifted aggregate 
caps on individual contributions. 
Understanding the roles that different groups play in 
elections depends on two questions.  First, are the groups 
Independent Spending 
regulated primarily by federal election law or federal tax 
Some groups that are prohibited from making campaign 
law, as shown 
in Figure 1?   
contributions can nonetheless influence elections through 
Figure 1. Policy Challenge: Intersecting Areas of Law 
IEs.  The three entities on the right side o
f Figure 2 (super 
PACs, 501(c)s, and 527s) have been especially prominent 
since 2010.  Super PACs developed shortly after 
Citizens 
United through a related appellate court ruling in 
SpeechNow v. FEC.  Super PACs are political committees 
subject to FECA’s reporting requirements, but may accept 
unlimited contributions.  They may not contribute to 
campaigns.  Super PACs are, therefore, arguably somewhat 
similar to two groups discussed below, 501(c) and 527 
organizations.
 
 
501(c)s and 527s are primarily governed by tax law.  They 
Source: Congressional Research Service. 
can accept unlimited contributions, but may not contribute 
to campaigns.  501(c)(4) social welfare groups, 501(c)(5) 
Second, can the groups make contributions, expenditures, 
unions, and 501(c)(6) trade associations must have a 
or both, as shown
 in Figure 2 below? Most matters of 
“primary purpose” devoted to activities other than elections.  
recent debate in campaign finance policy concern the 
These groups have engaged in campaign-related activities 
intersection of campaign finance law and tax law, as 
since at least the early 2000s.  
Citizens United removed 
discussed throughout this CRS product.  Where various 
lingering questions about whether the groups could make 
groups and practices fit in election law, tax law, or both, 
IEs.  All political committees fall under Section 527 for tax 
determines what the groups can do, how they might affect 
https://crsreports.congress.gov 

Candidates, Groups, and the Campaign Finance Environment: A Brief Overview 
purposes, but as popularly used, the term “527” refers to 
subject to more or less regulation, at least three other 
entities that argue they are devoted to elections but are not 
factors may be relevant.  
political committees.  They were especially active during 
the 2004 presidential campaign (most notably Swift Boat 
  Coordination—FEC “coordination” regulations are 
Veterans for Truth and America Coming Together).  527s 
designed to ensure that goods or services are not 
faded in federal elections thereafter, perhaps due to FEC 
provided to campaigns in excess of FECA limits. In 
enforcement actions. 
practice, establishing that prohibited coordination 
occurred is difficult. Existing regulations require 
Figure 2. Major Political Entities in the Campaign 
satisfying a complex three-part test examining conduct, 
Finance Environment 
communications, and payment.  Relatedly, some have 
suggested that Bipartisan Campaign Reform Act 
(BCRA; P.L. 107-155) provisions preclude some 
candidate fundraising for 501(c) and 527 activities 
affecting elections. 
  Disclosure—Political committees must publicly report 
their donors to the FEC, as must 527s to the IRS. 501(c) 
groups’ donors are not publicly reported, and the 
original sources of some contributions for IEs can avoid 
disclosure.  Reporting requirements can affect donors’ 
willingness to contribute to various groups.   
  Exploratory Committees—FEC regulations permit 
potential candidates to “test the waters” by raising and 
spending limited funds while considering campaigns.  
Debate continues about whether some potential 
candidates’ activities cross the line from testing to 
candidacy. 
Most recent debate in campaign finance policy 
concerns the intersection of campaign finance law and 
tax law. Where various groups and practices fit ... 
determines what the groups can do ... and which 
policy options are available. 
 
 
For additional information, see CRS Report R41542, 
The 
Source: Congressional Research Service.  
State of Campaign Finance Policy: Recent Developments 
and Issues for Congress, by R. Sam Garrett. 
Implications 
The distinctions between election law and tax law, and 
R. Sam Garrett, Specialist in American National 
between contributions and expenditures, determine which 
Government   
entities can do what in campaigns.  If Congress chooses to 
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examine whether the groups discussed here should be 
 
https://crsreports.congress.gov 
Candidates, Groups, and the Campaign Finance Environment: A Brief Overview 
 
 
 
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