"Contribution." Any payment, gift, subscription, assessment, contract, payment for services, dues, loan, forbearance, advance or deposit of money or any valuable thing made to a candidate or political committee for the purpose of influencing any election in this Commonwealth or for paying debts incurred by or for a candidate or committee before or after any election. The term shall include the purchase of tickets for events including dinners, luncheons, rallies and other fundraising events; the granting of discounts or rebates not available to the general public; or the granting of discounts or rebates by television and radio stations and newspapers not extended on an equal basis to all candidates for the same office; and any payments provided for the benefit of any candidate, including payments for the services of a person serving as an agent of a candidate or committee by a person other than the candidate or committee or person whose expenditures the candidate or committee must report. The term also includes any receipt or use of anything of value received by a political committee from another political committee and also includes any return on investments by a political committee.
"Political committee." Any committee, club, association or other group of persons which receives contributions or makes expenditures.
4 Pa.C.S. § 1513