That's because it's "voluntary compliance", somewhat based on the honor system, if you can believe that. If you mess up isn't as big a deal as it is if you chea

That's because it's "voluntary compliance", somewhat based on the honor system, if you can believe that. If you mess up isn't as big a deal as it is if you cheat and are caught. Some people make their livelihood on attempting to lie on their taxes, a fudge here, a fudge there in order to collect more than their share. Some get away with it.