That feels like a loophole. In 2019, or 2018 leading into 2019, the Fraser Institute could also take $500,000 from the Koch brothers on a very specific set of policies they're looking to push into the election, into the minds of voters. You launch your investigation, but they say, “This less than one fifth of our funding; we didn't use any of that $500,000 on any of the brochures or the ads that we ran.”
On May 28th, 2018. See this statement in context.