Versions of New Jersey Statutes 52:39A-3. Labor harmony agreement precondition of entry into certain contracts, agreements on LawServer 2023 New Jersey Statutes 52:39A-3. Labor harmony agreement precondition of entry into certain contracts, agreements 2022 New Jersey Statutes 52:39A-3. Labor harmony agreement precondition of entry into certain contracts, agreements. 2020 New Jersey Statutes 52:39A-3. Labor harmony agreement precondition of entry into certain contracts, agreements.