1 Colo. Code Regs. § 103-1-5.20
Revocation of assignment may occur when it has been reasonably determined by the State Fleet Manager that:
The vehicle has been used for purposes other than official state business;
An agency fails to submit required reports or when the required reports that have been filed fail to meet the established standards as published by the Division, and such deficiencies are not cured within thirty calendar days after receiving notification from State Fleet Management of such deficiency;
False information has knowingly and willfully been supplied on an application for permanent assignment, commuting reimbursement form, or other required report or form;
An individual required to do so fails to sign all reports or forms submitted for vehicles permanently assigned and fails to cure the deficiency within thirty calendar days after receiving notification from State Fleet Management of such deficiency;
A State-owned motor vehicle has been abused;
A violation of other rules or regulations promulgated by the Department has occurred which warrants revocation of assignment as specified in those rules and regulations.
Failure of vehicles to meet the minimum annual utilization criteria based on the appropriate utilization classification.
1 CCR 103-1-5.20