N.J. Stat. Ann. § 17:9A-8.3

The capital stock for every capital stock savings bank hereafter organized shall be the amount required for banks pursuant to the provisions of section 4 of P.L.1948, c. 67 (C. 17:9A-4). Every capital stock savings bank shall, on its organization, establish a fund at least equal to 5% of its capital stock as a reserve fund for organization expense. Organization expense shall mean all lawful expense incurred prior to the commencement of business. Any unexpended balance in the fund shall be credited to undivided profits. The par value of the shares of the capital stock issued by any savings bank shall not be less than $2.00 per share. Every capital stock savings bank shall commence business with a surplus at least equal to 20% of its capital stock.