Colorado regulators urge tow operators to 'use discretion' PUC notifying tow companies about expired plates Copyright 2021 Scripps Media, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed. Denver7 and last updated 2021-02-17 20:32:32-05 DENVER â Attention people towed or booted for expired plates: the agency that oversees Colorado tow operators, the Public Utilities Commission (PUC), is listening. "I think the underlying message here is, there's a problem we all know of. We don't want citizens to be harmed by this when there's really no fault of their own," said Commissioner Megan Gilman in a hearing Wednesday morning.