(1) Violation of any of these regulations will be grounds for suspension or revocation of the permit. Notice will be furnished to the applicant at least twenty days prior to the effective date of such suspension or revocation. The notice will describe the grounds for the order and will furnish the applicant an opportunity to be heard within the twenty-day period. The notice may provide for immediate suspension of the permit prior to any hearing, or the patrol may suspend the permit following the hearing but prior to final determination, if it is necessary to do so in the interests of the public health, safety, or welfare.

(2) The chief law enforcement officer of each primary jurisdiction in which the vehicle is operated as an assistance van may revoke his certification of the vehicle by notifying the patrol in writing of such revocation and their reasons therefore. Following notice to the applicant and an opportunity to be heard, the permit may be invalidated by the patrol.

(3) Mailing by certified mail of any notice or correspondence by the patrol to the last address of the applicant shown on his/her application will be sufficient service of notice as required by this chapter.