All sums expended or expenses incurred under direction of the Council to level, raise, repair, flag, concrete or pave any sidewalk along the frontage of any property as provided in §§
1-442 and
1-443, or in the removal of any building erected in violation of §§
1-14 and
1-15, with the expense for filing, shall be a lien upon the lands and buildings with reference to which such expenditures were made or such expense incurred, and such lien shall date from the day when such expenditures were made or expense incurred and shall have the same validity and be collected in the same manner as tax liens, provided such liens shall not exist for a period longer than 60 days after such expenditure was made or expense incurred unless, within said period, a certificate, signed by the Mayor and Clerk of said city, is filed with the Town Clerk of Norwalk, as provided in §
1-266, relating to liens for benefits assessed.
