Section 51053 Of Chapter 6.5. Open-space Easements From California Government Code >> Division 1. >> Title 5. >> Part 1. >> Chapter 6.5.

. The execution and acceptance of an instrument described in subdivision (a) of Section 51051 shall constitute a dedication to the public of the open-space character of the lands for the term specified. Any such easement and covenant shall run for a term of not less than 20 years.