(a) Not later than thirty (30) days after the date upon which the Council has approved an application to amend the zoning map and thereby establish a Mobile Home Park District, the property owner of record shall cause a deed restriction to be placed upon the property and recorded in the County Recorder's Office. Such deed restriction shall read as follows:
"The present owners, and all successors, grantees, and assignees shall comply with all federal, state, and local laws prohibiting discrimination or segregation by reason of race, religion, color, or national origin in the sale, lease, rental, use, or occupation of all properties or any part thereof located within the boundaries of the mobile home park."
(b) Evidence that such deed restriction has been recorded shall be required to be shown prior to acceptance by the planning commission of an application for a mobile home park plan approval for the property involved.