A lease shall contain site surveys and adequate legal descriptions based on metes and bounds, rectangular or lot and block systems, or other means reasonably calculated to indicate the size and location of the premises being leased. Space leases shall contain adequate descriptions of the underlying lease, location and square footage of the space being leased, and may include renderings, architectural drawings, or other schematics to illustrate the location of the space. ONCA 17-01, eff. Dec. 9, 2016.