N.J. Admin. Code § 19:3-4.2
The following words and terms, when used in this subchapter, shall have the following meanings unless the context clearly indicates otherwise.
"Compensation" means the basis of payment by an agency for professional architectural, engineering, or land surveying services.
"Professional architectural, engineering and land surveying services" means those services, including planning, environmental, and construction inspection services required for the development and construction of projects, within the scope of the practice of architecture, professional engineering or professional land surveying as defined by the laws of this State or those performed by an architect, professional engineer or professional land surveyor in connection with his or her professional employment practice.
"Professional firm" means any individual, firm, partnership, corporation, association or other legal entity permitted by law to provide professional architectural, engineering, or land surveying services in this State.
N.J. Admin. Code § 19:3-4.2