§468M-4 Payment provision. Unless the express written contract has a provision to the contrary, payment shall be due and payable thirty days from the date of invoice. [L 1990, c 214, pt of §1, §2; ree L 1991, c 240, pt of §1, §§2, 4; ren and am L 1992, c 231, pt of §2, §§3, 6; am L 1995, c 174, §§1, 2; am L 1998, c 248, §§1, 2]