Every ordinance providing for local improvements authorized by articles one and two of chapter fifty-six of this Title (s. 40:56-1 et seq.), or providing that all or a part of the cost of any work, acquisition of property, or improvement shall be assessed upon abutting land or lands specially benefited thereby (except sidewalks); or providing for the establishment or change of grade, or the vacation of any street, highway, lane or alley or portion thereof, or the vacation, as hereinafter defined, of any square, place or park, or any portion thereof, dedicated to the public, but which has not been accepted or opened by the municipality, shall be published in the manner required by section 40:49-2 of article two of this chapter, except that every such ordinance after being introduced and having passed a first reading shall be published at least once not less than ten days instead of one week prior to the time fixed for further consideration for final passage.
At least one week prior to such time fixed for further consideration for final passage of such ordinance, a copy thereof, together with a notice of the introduction thereof, and the time and place when and where the ordinance will be further considered for final passage, shall be mailed to every person whose lands may be affected by the ordinance or any assessment which may be made in pursuance thereof, so far as the same may be ascertained, directed to his last known post-office address.
The owner of any lands may file with the clerk of the municipality, or other official designated by the governing body by resolution or ordinance, a list of lands owned by him with a post-office address to which notice shall be directed.
Failure to mail the notice herein provided for shall not invalidate any ordinance, proceeding or assessment.
N.J.S. § 40:49-6