2A:44A-6. Filing lien claim
6. A lien claim shall be signed, acknowledged and verified by oath of the claimant or, in the case of a partnership or corporation, a partner or duly authorized officer thereof, and filed with the county clerk not later than 90 days following the date the last work, services, material or equipment was provided for which payment is claimed. No lien shall attach, or be enforceable under the provisions of this act and, in the case of a residential construction contract, compliance with sections 20 and 21 of this act, unless the lien claim is filed in the form, manner and within the time provided by this section and section 8 of this act, and a copy thereof served on the owner and, if any, the contractor and the subcontractor, against whom the claim is asserted, pursuant to section 7 of this act.
For purposes of this act, warranty or other service calls, or other work, materials or equipment provided after completion or termination of a claimant's contract shall not be used to determine the last day that work, services, material or equipment was provided.