New Jersey Statutes Title 45. Professions and Occupations 45 § 3-43

a. The Division of Consumer Affairs shall issue to each certified interior designer a certificate bearing that interior designer's certificate number, which certificate number shall appear on all design related documents.

b. Any design related documents including, but not limited to, drawings, schedules and specifications prepared by a certified interior designer shall bear the signature and certificate number of the certified interior designer who prepared those documents and the date on which the documents were signed and shall appear within the document's title block. The signature, date and certificate number shall be evidence of the authenticity of those documents.