(2) The Construction Contractors Board shall adopt rules that require a contractor to use standard contractual terms in a construction contract for which subsection (1) of this section requires a written contract. The standard contractual terms shall be clear and use words of common understanding. [2007 c.648 §7; 2009 c.408 §8; 2009 c.409 §1; 2013 c.168 §1]