The FEC regulation defining when a communication paid for by someone else is coordinated with a candidate or party, and treating it as an in-kind contribution.
(1) Is paid for, in whole or in part, by a person other than that candidate
11 CFR 109.21(a), p. 145
Bears on the line that the PAC cannot coordinate but runs the ad and funds the vote. SUPPORTS the rule as the song describes it: a super PAC ad coordinated with a campaign is legally a contribution, not independent spending, so on paper the PAC must stay separate.