Cal. Civ. Code § 7-201

(a) The owner of an assisted project shall give written notice of intent not less than 1 year and not more than 2 years before the effective date of the protected action.

(b) The owner shall give the notice of intent to:

(1) the chief executive officer of each political subdivision in which the assisted project is located;

(2) each public housing authority in a political subdivision in which the assisted project is located;

(3) each tenant association that represents a rental unit in the assisted project, if the tenant association has given the owner the title and mailing address of a representative to receive the notice of intent;

(4) each assisted household of the assisted project; and

(5) the Secretary, who shall notify every other person who has requested the notice of intent.