The first is unfunded mandates, which was a big part of the Contract with America. Unfunded mandates are obligations on businesses, but not paid for by government. If no money is spent by government, eliminating them doesn't cost the governemnt revenue, but reduces the burden on business.
The second is the regulations in the federal register, which isn't even voted on by congress, they are entirely part of the executive branch. "Stroke of the eraser, law of the land gone. Kind cool." should be Bush's motto.