N.J. Stat. § 42:3-7: Deeds, bonds and mortgages; execution and acknowledgment; seal

Every deed or conveyance, and any bonds with or without coupons, and every mortgage for purchase or borrowed moneys made by a limited partnership association shall be made in the name adopted by the association, and shall be acknowledged by its chairman and secretary, and for the purposes of executing such instruments or writings, the association may adopt and use a common seal.