N.J. Stat. § 58:10A-29.1
The owner or operator of any underground storage tank with a capacity of over 2,000 gallons used to store heating oil for onsite consumption in a non-residential building who does not meet the deadline for compliance pursuant to subsection a. of section 9 of P.L. 1986, c.102 (C.58:10A-29), shall, no later than December 22, 1998, enter into a contract for the provision of leak detection testing on the underground storage tank using a method that is accepted by the Department of Environmental Protection, which testing shall be performed no later than August 31, 1999 and at least once every 36 months thereafter. The owner or operator of the underground storage tank shall provide a copy of the contract to the Department of Environmental Protection by December 22, 1998 and shall notify the department of the results of the test within 15 days of its performance. If an owner or operator of an underground storage tank fails to comply with the testing and notification requirements specified in this section, then the deadline for compliance shall not be extended as provided in subsection b. of section 9 of P.L. 1986, c. 102 (C.58:10A-29) and the owner or operator who fails to comply with the deadlines established in subsection a. of section 9 of P.L. 1986, c. 102 shall be subject to the penalties as provided in section 10 of P.L. 1977, c.74 (C.58:10A-10).
N.J.S. § 58:10A-29.1