(a) Multiple political expenditures made to a single payee during a reporting period for fees to process political contributions may be itemized as a single expenditure, in an amount equal to the combined total amount of the expenditures, if all the expenditures are made to a single payee for the same purpose.(b) The purpose of an expenditure reported under subsection (a) of this section must include the dates of the first and last of the multiple expenditures made to a single payee during the reporting period.(c) For reporting purposes, the date of an expenditure reported under subsection (a) of this section is the date of the first expenditure made to the payee during the reporting period, as provided by §20.57 (Time of Making Expenditure) of this title.