N.J. Stat. § 22A:2-32
Whenever it shall appear by affidavit of persons applying for letters testamentary, of administration or of guardianship that the estate, real and personal, of any testator, intestate, minor or ward, does not exceed one thousand dollars ($1,000.00), and that such testator or intestate died while in the active military or naval service of the United States in time of war, or in time of emergency, or that such minor or ward is the child of a person who died while in the active military or naval service of the United States in time of war, or in time of emergency, no fees shall be charged upon actions for the probate of a will in those cases, where any part of the estate of the testator is bequeathed or devised to the surviving spouse, the father or mother, the brothers or sisters or any of the lineal descendants of the testator, granting of administration or guardianship up to and including the letters issued and copies of such letters; but if it shall afterwards appear in any case that the value of the estate, real and personal, exceeds or exceeded one thousand dollars ($1,000.00), then such estate shall be liable for and pay the fees that would have been collected if this section were not law.
As used in this section the term "in time of emergency" shall mean and include any time after June twenty-third, one thousand nine hundred and fifty, and prior to the termination, suspension or revocation of the proclamation of the existence of a national emergency issued by the President of the United States on December sixteenth, one thousand nine hundred and fifty, or termination of the existence of such national emergency by appropriate action of the President or Congress of the United States.
N.J.S. § 22A:2-32