No new addresses shall be assigned to any types of appurtenances and utility assets. Instead, any address assignment to above listed appurtenances/assets shall use the existing valid situs or, if available, secondary situs address of the parcel the appurtenance will be located on. (City of Roseville California)

If at any time the condition of a levee, a dike, a floodwall, or an appurtenance becomes so dangerous to the safety of life and property that, in the opinion of the department there is not sufficient time for the issuance and enforcement of a notice of violation for the maintenance, alteration, repair, reconstruction, change in construction or location, or removal of the dike, floodwall, levee, or appurtenance in the manner provided in this chapter, the department may immediately take the measures that are essential to provide emergency protection to life and property. (Indiana Legislative Services Agency)

This notice is to emphasize that when the sale of a mobile home and appurtenances as personal property occurs by or through an auctioneer, agent, broker, factor, or other person considered a dealer for sales tax purposes including real estate brokers, the appurtenances may not be excluded from the application of sales tax. (Florida Department of Revenue)