Planning and Building Department. The California Department of Insurance's (CDI) Certificate of Authority Application forms are now available in Adobe's Portable Document Format (PDF).You have been appointed and qualified as personal representative of the estate on . This Form must be submitted to the Building Permit Center, 250 Frank H. Ogawa Plaza, 2nd Floor, Oakland, CA 94612. To update your Letters of Authority you must bring in your expired letters with the raised seal and file any required annual reports or accounts. We require all Certificate of Authority applications to be filed with the department in a standardized format. • Letter of approval from Landlord: Must be signed, dated, and state that individual has approval to reside in the unit. Specific language is found in the Just Cause Regulations. City of Oakland Fair Chance Letter to Rental Property Owners (Rev. Repeated failures could result in the loss of Authorized Signer authority.