California Code, Government Code - GOV § 66452.19

(a) Pursuant to the provisions of subparagraph (E) of paragraph (2) of subdivision (a) of Section 66427.1, the subdivider shall give written notice of the intent to convert 180 days prior to the termination of tenancy in the form outlined in subdivision (b), to each tenant of the subject property.

(b) The notice shall be as follows:

The owner(s) of this building, at (address), plans to convert this building to a (condominium, community apartment, or stock cooperative project). This is a notice of the owner's intention to convert the building to a (condominium, community apartment, or stock cooperative project).

A tentative map to convert the building to a (condominium, community apartment, or stock cooperative project) was approved by the City on _________. If the City approves a final map, you may be required to vacate the premises, but that cannot happen for at least 180 days from the date this notice was served upon you.

Any future notice given to you to terminate your tenancy because of the conversion cannot be effective for at least 180 days from the date this notice was served upon you. This present notice is not a notice to terminate your tenancy; it is not a notice that you must now vacate the premises.

The written notices to tenants required by this section shall be deemed satisfied if such notices comply with the legal requirements for service by mail.