DEPARTMENT OF REVENUE
Division of Motor Vehicles – Title and Registration Sections
1 CCR 204-10
RULE 4. GROSS VEHICLE WEIGHT REGISTRATIONS
Basis: The statutory bases for this regulation are 42-1-102(23.5), 42-1-102(109), 42-1-201, 42-1-204, and 42-3-306(5) C.R.S. 
Purpose: The purpose of this regulation is to establish the information to be maintained for vehicles subject to gross vehicle weight fees.
1.0	Definitions
1.1	“Declared Gross Vehicle Weight” means the combined weight of the vehicle or combination vehicle and its cargo when operated on the public highways of this state.  Such weight shall be declared by the vehicle owner at the time the vehicle is registered. 
1.2	 “Department” means the Title and Registration Sections, Division of Motor Vehicles, Department of Revenue.
1.3	“Mileage History” means those miles traveled by a vehicle during the registration mileage cycle.
1.4	“Registration Mileage Cycle” means the previous twelve-month vehicle registration period.
1.5	“Truck Tractor – Laden” means any motor vehicle carrying cargo that is generally and commonly designed and used to draw, and is drawing, a semi-trailer or trailer and its cargo load over the public highways.
2.0	Fee Calculation
2.1	Calculation of registration fees for vehicles described within these rules will be based on the following criteria; gross vehicle weight, mileage history or mileage reporting period and whether the vehicle operation is for private use or as a common contract carrier.  
2.2	To qualify as a private carrier, more than 50% of the total miles traveled by a specific vehicle within the registration mileage cycle are for private use.
2.3	Private Carrier 
A.	Documentation is required to substantiate that the cargo for each mileage record was owned by the carrier, such as bills of sale and manufacturing documentation, etc.
B.	Documentation is required to substantiate the mileage history.
C.	The vehicle owner shall maintain accurate records of all miles traveled by each vehicle over the public highways of this state.
3.0	 Requirements
3.1	Mileage history is established for both interstate and intrastate vehicles from all the following information except where otherwise noted:
A.	Beginning and ending date of each trip.
B.	Trip origin and destination.
C.	Route of travel.
D.	Beginning and ending odometer or hub odometer reading of the trip.
E.	Total mileage.
F.	Mileage by jurisdiction.
G.	Vehicle Identification Number.
H.	Registrant's name.
I.	Driver's printed name and signature.
J.	A copy of the vehicle registration receipt indicating taxes paid for the requested licensing year.
3.2	The vehicle owner shall maintain, for three years plus the current year, accurate records of all miles traveled by each vehicle over the public highways of this state.
3.3	Computer summaries are not acceptable unless supported by the Mileage History Records.
3.4.	Those vehicles which have no previous continuous twelve months of mileage history shall be assessed the registration fees required for a vehicle traveling in excess of ten thousand miles per year. Such vehicles may, however, be the subject of a refund. Upon completion of the twelve months mileage history, if it is determined the vehicle traveled ten thousand miles or less during the prior registration year, a refund of the difference between the registration fees paid for miles traveled over ten thousand and the registration fees for vehicles operated ten thousand miles or less may be requested.
3.5	Any owner who is replacing an existing vehicle may use the mileage history of the vehicle being replaced as qualification for the fees assessed on the new vehicle. For the mileage history to qualify, the existing vehicle must have been registered and in operation for the previous twelve months. The license plates from the existing vehicle must be transferred to the replacement vehicle.
3.6.	When a person purchases an established business which includes vehicles, the mileage history of those vehicles may be used as qualification for the fees assessed. For the mileage history to qualify, the business operations must remain the same, the vehicles must have been registered in Colorado and in operation for the previous twelve months. Copies of the previous owner’s registrations must be presented at the time of registration by the new owner in order to substantiate mileage information.
3.7	Any owner requesting a refund of registration fees paid for a specific vehicle or vehicles shall submit the records as required by the Department pursuant to this regulation.
3.8	The Department, upon verification of the refund request, may refund the difference to the owner. The Department may request additional information, validate information submitted or deny the request for refund for non-compliance to statute, non-compliance to regulations, failure to meet the requirements under this regulation, failure to provide sufficient documentation supporting the vehicle owner’s claim for refund or other reasons as determined by the Department.