Time limit on enforcement; failure to comply; effect; exception

All municipal liens shall be enforced within one year after the date provided in section 54:5-19 of this title, but the failure of a municipal officer to enforce a municipal lien within that time shall not impair the lien, or prevent a sale thereunder after the time therein specified, except as to persons who may have acquired an interest in the premises in reliance upon an official tax search not disclosing that lien.