Interstate Driver License Compact Definitions
California Vehicle Code Section 15021
15021. As used in the interstate driver license compact:(a) "State" means a state, territory or possession of the United States, the District of Columbia, or the Commonwealth of Puerto Rico.
(b) "Home state" means the state which has issued and has the power to suspend or revoke the use of the license or permit to operate a motor vehicle.
(c) "Conviction" means a conviction of any offense related to the use or operation of a motor vehicle which is prohibited by state law, municipal ordinance or administrative rule or regulation, or a forfeiture of bail, bond or other security deposited to secure appearance by a person charged with having committed any such offense, and which conviction or forfeiture is required to be reported to the licensing authority.