Certificate of Preference (COP) If you hold a Certificate of Preference (COP) from the former San Francisco Redevelopment Agency. COP holders were displaced by Agency action generally during the 1960s and 1970s.

Displaced Tenant Housing Preference (DTHP) If you hold a Displaced Tenant Housing Preference Certificate (DTHP). DTHP Certificate holders are people who have been evicted through either an Ellis Act Eviction or an Owner Move In Eviction in 2010 or later.