This would also be the case for the Conservatives or the New Democrats, because the ability to actually regulate the flow at conventions, we understand, would be a considerable burden. However, as with any of the other parties that are represented in the House, if the Conservative Party were organizing their convention, and they had a fundraiser with their party leader that was separate from the actual convention itself, and where there was an additional requirement to pay, that would be captured.
On September 28th, 2017. See this statement in context.