N.Y. Comp. Codes R. & Regs. tit. 12, § 380-5.4
(a) Once the carrier or self-insured employer receives a completed request for paid family leave with the necessary certification as identified in Subpart 380-4 of this Part, the carrier or self-insured employer must pay the claim or deny the claim within 18 days. In the event a completed request is received more than 18 days before the occurrence of a qualifying event, the carrier or self-insured employer shall send payment to the employee within 5 days following the qualifying event.
(b) The carrier or self-insured employer may deny the claim without prejudice for the following reasons:
(d) The carrier or self-insured employer may deny the claim for the following reasons:
(9) the employer did not have coverage on the date family leave began;