New York Laws
Article 2 - Mechanics' Liens
11-C - Copy of Notice of Lien to a Contractor or Subcontractor With Respect to Public Improvements Liens.

§ 11-c. Copy of notice of lien to a contractor or subcontractor with
respect to public improvements liens. Within five days before or
simultaneously with filing a notice of lien in accordance with section
twelve of this chapter or the filing of an amendment of a notice of lien
in accordance with section twelve-a of this chapter with respect to a
public improvement lien, the lienor shall serve a copy of such notice or
amendment by certified mail on the contractor, subcontractor, assignee
or legal representative for whom he was employed or to whom he furnished
materials or if the lienor is a contractor or subcontractor to the
person, firm or corporation with whom the contract was made. A lienor
having a direct contractual relationship with a subcontractor or a
sub-subcontractor but not with a contractor shall also serve a copy of
such notice or amendment by certified mail to the contractor. The notice
of lien so filed shall contain thereon or there shall be filed therewith
proof of service of a copy of said lien upon the parties required to be
served pursuant to this section, and failure to file proof of such
service shall render the notice of lien a nullity. Any lienor, or a
person acting on behalf of a lienor, who fails to serve a copy of the
notice of lien as required by this section shall be liable for
reasonable attorney's fees, costs and expenses, as determined by the
court, incurred in obtaining such copy.

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