Allows owners of farm parcels mostly surrounded by development to get fast certification as agricultural enclaves. Cities must act quickly, hold a hearing, and if they wait 90 days, approval is automatic. Certified sites can submit single-family plans that match nearby uses and get streamlined review (under 180 days) with no extra hurdles. Treated as inside urban service areas. Limits size and location; excludes some protected areas. Could speed housing but reduce farmland and local control. Expires 2028.