N.J. Stat. § 46:9-8.5
If a holder of a mortgage loan has insured the holder's interest in the real property securing the mortgage loan with title insurance issued in accordance with the "Title Insurance Act of 1974," P.L. 1975, c.106 (C.17:46B-1 et seq.) and a modification has been made in the mortgage loan which continues the priority of the original mortgage as provided in section 2 of P.L. 1985, c. 353 (C.46:9-8.2), the title insurance shall continue in effect whether or not the modification agreement is recorded on the records of the county where the mortgage is recorded, unless the terms of the title insurance policy explicitly provide that the policy will not continue to apply if a modification of a mortgage loan takes place pursuant to P.L. 1985, c.353 (C.46:9-8.1 et seq.).
N.J.S. § 46:9-8.5