(a) The management shall not show or list for sale a floating home without first obtaining the owner`s written authorization. The authorization shall specify the terms and conditions regarding the showing or listing. (b) The management shall prohibit neither the listing nor the sale of a floating home within the floating home marina by the homeowner, or an agent of the homeowner to authorize the management to act as the agent in the sale of a floating home as a condition of management` s approval of buyer or prospective homeowner for residency in the floating home marina.