N.J. Stat. § 48:16-5: Power of attorney

The owner of the autocab shall execute and deliver to the clerk of the municipality concurrently with the filing of a policy or bond referred to in sections 48:16-3 and 48:16-4 of this title, a power of attorney, wherein and whereby the owner shall appoint the chief fiscal officer of the municipality his true and lawful attorney for the purpose of acknowledging service of any process out of a court of competent jurisdiction to be served against the insured by virtue of the indemnity granted under the insurance policy or bond filed.