(1) May not include new construction or replacement of water heaters or underground plumbing; and
(2) Shall be available only to licensed plumbing contractors or persons described under ORS 693.020. [1993 c.520 §3; 1995 c.228 §1; 2003 c.14 §268; 2003 c.675 §8; 2005 c.758 §15]