The notice of intention specified in Section 11010 shall not apply to nonbinding expressions of intent to purchase or lease which an owner, agent, or subdivider is required to obtain from the tenants of units which are proposed to be converted to a condominium, community apartment project, or stock cooperative project, by ordinance, or as a condition to the approval of a tentative or parcel map pursuant to Division 2 (commencing with Section 66410) of Title 7 of the Government Code.