Some definition

Political Action Committee (PAC):

A political committee that is neither a party committee nor an authorized committee of a candidate.

• Separate segregated funds (SSFs): PACs directly or indirectly established, administered or financially supported by a corporation or labor organization.
• Non-connected PACs: PACs without such a corporate or labor sponsor.

Some type of PACs are listed below

Leadership PAC

A political committee that is directly or indirectly established, financed, maintained or controlled by a candidate or an individual holding federal office, but is not an authorized committee of the candidate or officeholder and is not affiliated with an authorized committee of a candidate or officeholder.

Lobbyist/Registrant PAC

Any political committee established or controlled by a person who is a current registrant under Lobbying Disclosure Act or an individual who is named on a current registration or report filed under the Lobbying Disclosure Act.

Super PAC

A political committee that makes only independent expenditures may solicit and accept unlimited contributions from individuals, corporations, labor organizations and other political committees. It may not accept contributions from foreign nationals, federal contractors, national banks or federally chartered corporations. See AO 2010-11. Such committees, also known as independent expenditure only committees, must register with the Commission and comply with all applicable reporting requirements of the Act.

Hybrid PAC

A committee that, in addition to making contributions, establishes a separate bank account to deposit and withdraw funds raised in unlimited amounts from individuals, corporations, labor organizations and/or other political committees, consistent with the stipulated judgment in Carey v. FEC. The funds maintained in this separate account will not be used to make contributions, whether direct, in-kind or via coordinated communications, or coordinated expenditures, to federal candidates or committees.

Donation Limitation

		Recipient
		Candidate committee	PAC† (SSF and nonconnected)	Party committee: state/district/local	Party committee: national	Additional national party committee accounts‡
Donor	Individual	$2,700* per election	$5,000 per year	$10,000 per year (combined)	$33,900* per year	$101,700* per account, per year
	Candidate committee	$2,000 per election	$5,000 per year	Unlimited transfers	Unlimited transfers
	PAC: multicandidate	$5,000 per election	$5,000 per year	$5,000 per year (combined)	$15,000 per year	$45,000 per account, per year
	PAC: nonmulticandidate	$2,700* per election	$5,000 per year	$10,000 per year (combined)	$33,900* per year	$101,700* per account, per year
	Party committee: state/district/local	$5,000 per election	$5,000 per year	Unlimited transfers	Unlimited transfers
	Party committee: national	$5,000 per election**	$5,000 per year	Unlimited transfers	Unlimited transfers