(a) If the enforcement agency determines to proceed with the abatement of the nuisance through proceedings instituted before its governing board, it shall give a second notice in the same manner as set forth in Section 58 directing the owner of the building to appear before the governing board of the enforcement agency at a stated time and place and show cause why the building should not be condemned as a nuisance, and the nuisance be abated as provided in this article. A copy of this notice shall be mailed to each mortgagee or beneficiary under any deed of trust, of record, in the manner prescribed in Section 58. The notice shall be headed “Notice to Abate Nuisance” in letters of not less than three-fourths of an inch in height and shall be substantially in the following form:

The owner of the building situated at __________ is hereby notified to appear before __________ (insert name of governing board) of the __________(insert name of enforcement agency) at its meeting to be held__________, 20___, at __________ (place of meeting) at the hour of __________o'clock ___m., or as soon thereafter as the owner may be heard, and show cause, if any, why the building should not be condemned as a public nuisance and the nuisance be abated by reconstructing or properly repairing the building or by razing or removing it.

(b) The officer or employee of the enforcement agency giving such notice shall file an affidavit of posting and mailing in the manner required by Section 62 hereof, but the failure to any owner or other required by such notice shall not affect in any manner the validity of any proceeding taken hereunder.