for the period beginning July 1, 2006 through June 30, 2007, the rate shall be 4%; and
for the period beginning July 1, 2007 and thereafter, there shall be no rate of fee imposed.
"Advertising space" means the placement of advertising on an outdoor sign;
"End user" means the person purchasing the advertising space on an outdoor advertising sign for the person's own use;
"Outdoor advertising sign" means a sign required to be permitted pursuant to the "Roadside Sign Control and Outdoor Advertising Act," P.L. 1991, c.413 (C.27:5-5 et seq.);
"Gross amounts collected by a retail seller for advertising space on an outdoor advertising sign" include, but are not limited to, amounts collected, whether received in money or otherwise, from contracts to place advertising on outdoor advertising signs located in this State regardless of the location of the advertiser; provided however, such gross amounts shall not include fees received by an advertising agency that is not a related party of the retail seller and that are not received by the retail seller;
"Related party" means any licensee, permittee or other party that has authority to sell advertising space on an outdoor advertising sign; and
"Retail seller" means a permit holder or licensee who directly contracts with the end user for outdoor advertising space on an outdoor advertising sign or any party that is authorized on behalf of the permit holder or licensee to sell advertising space on an outdoor advertising sign.
N.J.S. § 54:4-11.1