With the notice provided in Section 16.04.060, the developer shall deliver to each tenant whose unit is to be offered for sale a firm offer of sale of the unit that the tenant occupies. In the event that more than one tenant occupies a single unit, the developer shall deliver the offer to all tenants jointly or separately. For sixty days from the date of delivery of the offer, the tenant shall have the exclusive right to purchase his or her unit. (Ord. 858 § 3.3, 1979).