Notwithstanding the provisions of any law, rule or regulation to the contrary, a purchaser of a tax sale certificate and subsequent municipal liens purchased as described in R.S. 54:5-113, or that purchaser's heirs or assigns, may foreclose on a tax sale certificate which has been held at least 40 years by the purchaser, his heirs or assigns, provided that the purchaser, or his heirs or assigns, establish that the property taxes have been paid by the purchaser, his heirs or assigns in each year since the purchase of the tax sale certificate.
N.J.S. § 54:5-114.4a