Pursuant to CPLR 306-b, a court, in the exercise of discretion, may grant the motion for good cause shown or in the interest of justice. Here, there was no good cause shown, since the plaintiff was unable to produce the process server to testify at the hearing, and thus failed to demonstrate that it had made reasonably diligent efforts to effect service. Further, in view of the plaintiff's extensive delay in seeking the extension, it is not warranted in the interest of justice.
BAC Home Loans Servicing, L.P. v. Tessler, NY Slip Op 04943 (2d Dep't August 17, 2022)