Naturally, this will lead to a bulk problem if people try to use the donation bucket as a dumping ground for bundles of old billion- and trillion-dollar bills. The Buildings and Grounds people are worried about waste-disposal problems and the potential fire hazard that may ensue if large piles of billions and trillions begin to mount up. Therefore, a key feature of the new regulation is that the donation bucket must be emptied every day—more often if an excessive build-up situation is seen to develop.