The § 438(a)(4) “commercial purposes” exception was proposed as an amendment to that section by Senator Bellmon of Oklahoma:
Mr. President, the purpose of this amendment is to protect the privacy of the generally very public-spirited citizens who may make a contribution to a political campaign or a political party. We all know how much of a business the matter of selling lists and list brokering has become. These names would certainly be prime prospects for all kinds of solicitations, and I am of the opinion that unless this amendment is adopted, we will open up the citizens who are generous and public spirited enough to support our political activities to all kinds of harassment, and in that way tend to discourage them from helping out as we need to have them do.117 Cong.Rec. 30,057 (daily ed. Aug. 5, 1971) (statement of Sen. Bellmon).