(1) The permit holder and person in charge of a mobile food unit shall comply with the requirements of this chapter, except as otherwise provided in this section.

(2) The permit holder shall obtain approval from other applicable regulating agencies prior to operating a mobile food unit, including the Washington state department of labor and industries.

(3) The person in charge of a mobile food unit shall operate the mobile food unit from an approved commissary or servicing area unless they meet the exemption criteria in RCW 43.20.148 and shall return to such location for supplies, thorough cleaning, and other servicing activities, as approved in a plan of operation.

(4) When not in operation, a mobile food unit must be stored at an approved servicing area or other approved location.

(5) If a regulatory authority suspends a mobile food unit's mobile primary permit or mobile secondary permit, the permit holder shall immediately notify each regulatory authority that issued the mobile food unit a permit about the suspension.