Benefits for Participating Candidates A Entitlement to Vouchers and Payments To Defray Costs of Postage 501. Provision of political advertising vouchers (a) In general If a candidate in a general election to the office of Senator or Representative in, or Delegate or Resident Commissioner to, the Congress is certified as a participating candidate under this title with respect to the election for such office, the candidate shall be entitled to political advertising vouchers as provided under this section. (b) Value of voucher The value of a political advertising voucher provided to a candidate under this section shall be equal to the product of— (1) the population of the State (in the case of a candidate for the office of Senator) or the congressional district involved (in the case of a candidate for the office of Representative in, or Delegate or Resident Commissioner to, the Congress), based on the most recent population estimate from the Bureau of the Census