Insurance Code (usually included in commercial codals)
Section 382. In case of change of ownership of a motor vehicle, or change of the engine of an insured vehicle, there shall be no need of issuing a new policy until the next date of registration or renewal of registration of such vehicle, and provided that the insurance company shall agree to continue the policy, such change of ownership or such change of the engine shall be indicated in a corresponding endorsement by the insurance company concerned, and a signed duplicate of such endorsement shall, within a reasonable time, be filed with the Land Transportation Commission.