Kentucky Permit is for registration but quarterly reports must be filed. Kentucky Permit: It is mandatory for all Motor Carriers operating within the state exceeding 60,000 pounds. Carrier companies with vehicles that fall within this category must open a KYU account and file quarterly reports on mileage. All carriers under the specified KYU account will be identified using their unique USDOT number. All changes in the record of trucks under a KYU account must be updated with the relevant Kentucky authority. An IFTA license is a mandatory requirement for operating within Kentucky.