(1) All persons engaged in the business of servicing, testing, repairing, maintaining, or installing liquefied petroleum gas equipment and systems shall initially present proof of licensure to consumers, owners, or end users prior to working on said equipment or system and shall subsequently present proof of licensure upon the request of consumers, owners, end users, or persons who have authorized such work.
(2) All persons engaged in the business of servicing, testing, repairing, maintaining, or installing liquefied petroleum gas equipment and systems shall include on all work orders, invoices, or similar documents the name of the person performing the work and the applicable qualifier number.
(3) Any consumer, owner, end user, or person who alters or modifies his or her LP gas equipment or system in any way shall, for informational purposes, notify the licensed dealer who next fills or otherwise services his or her LP gas system that such work has been performed. The department may promulgate rules prescribing the method of notification. Such notification shall be made within a reasonable time prior to the date the liquefied petroleum gas equipment or system is next filled or otherwise serviced in order that the equipment or system may be serviced in a safe manner.
(4) A category I liquefied petroleum gas dealer may not render a consumer’s liquefied petroleum gas equipment or system inoperable or discontinue service without providing written or electronic notification to the consumer at least 5 business days before rendering the liquefied petroleum gas equipment or system inoperable or discontinuing service. This notification does not apply in the event of a hazardous condition known to the category I liquefied petroleum gas dealer.