N.J. Admin. Code § 13:20-34.1A
The following words and terms, when used in this Subchapter shall have the following meanings unless the context clearly indicates otherwise.
"Courtesy marks" means particular identifying marks having inscribed thereon motor vehicle registration numbers comprised of three alphabetic characters and any number from 1 through 20, except those combinations hereinafter reserved.
"Legislature courtesy marks" mean courtesy marks hereinafter reserved for members of the Senate and General Assembly of the State of New Jersey.
" Particular identifying mark or marks" mean motor vehicle license plates having inscribed thereon motor vehicle registration numbers comprised of combinations of letters or numbers, or both, requested by the registrants.
"Personalized marks" mean particular identifying marks having inscribed thereon motor vehicle registration numbers comprised of any combination of alphabetic characters or numbers, or both, except combinations defined as courtesy marks.
N.J. Admin. Code § 13:20-34.1A