If temporary relocation of any tenant is necessary for renovation of a unit between the date of submission of the Tentative Map and the date established for permanent relocation, then the subdivider shall find equivalent substitute housing for that tenant for the period of renovation, and shall pay to that tenant any additional cost of the substitute housing. Any tenant temporarily relocated shall have the right to return to his or her former unit until the expiration of all rights granted to such tenant as provided in this Code.