Notwithstanding any other provision of law to the contrary, if a manufactured home or mobilehome is affixed to a permanent foundation pursuant to Section 18551, or security for the manufactured home or mobilehome loan includes the real property it is affixed to or installed upon, procedures for notice of default and sale shall be governed by Chapter 2 (commencing with Section 2920) of Title 14 of the Civil Code and shall not be governed by the provisions of this chapter.