N.J. Stat. § 48:2-64
If after the hearing the board finds any part of the charge against the objecting public utility or public mover excessive, erroneous, unlawful or invalid, it shall record its findings upon its minutes and transmit to the objector, by registered mail, an amended statement in accordance with the findings, which shall have the same force and effect as an original statement. If the board finds the entire statement unlawful or invalid, it shall notify the objector, by registered mail, of such determination, and the original statement shall be null and void. If the board finds that the statement as rendered is neither excessive, erroneous, unlawful nor invalid, in whole or in part, it shall record its findings upon its minutes and transmit notice thereof to the objector by registered mail.
N.J.S. § 48:2-64