California Code, Penal Code - PEN § 13683

(1) To remove personal data or information, such as a home address, telephone number, email address, or identities of family members.

(2) To preserve the anonymity of complainants and witnesses.

(3) To protect confidential medical, financial, or other information of which disclosure is specifically prohibited by federal law or would cause an unwarranted invasion of personal privacy that clearly outweighs the strong public interest in records about misconduct and serious use of force by peace officers and custodial officers.

(4) Where there is a specific, articulable, and particularized reason to believe that disclosure of the record would pose a significant danger to the physical safety of the peace officer or another person.