Swinehart also pointed to a reformed process for consideration of the tariff bills, which includes a public comment period and an analysis by the International Trade Commission of how many entities would benefit.
Republicans could change the rules to exclude limited tariff bills from the definition of earmarks, but trying to do so could cause a potentially ugly fight.
Michael Steel, a spokesman for Speaker John Boehner, (R-Ohio) said “the House has an earmark ban and that will continue.”
Clarification: This story has been updated to clarify Camp's description of the tariff proposals.
Senate Minority Leader Mitch McConnell, R-Ky., carries a musket on stage as he speaks during the American Conservative Union's Conservative Political Action Conference (CPAC) at National Harbor, Md., on Thursday March 6, 2014.