New Jersey Statutes Title 45. Professions and Occupations 45 § 3A-13

Every person licensed to practice landscape architecture shall have a seal of a type approved by the board, which shall contain the name of the landscape architect, his license number, the legend “licensed landscape architect” and other words or figures as the board may deem necessary. All working drawings and specifications prepared by the landscape architect or under the supervision of the landscape architect shall be stamped with the seal and shall be signed on the original, with the personal signature of the licensed landscape architect, when filed with public officials. The board may by regulation, change or modify the requirements as to the signing and sealing of documents.