The tax levied by RCW 82.08.020 shall not apply to sales of carbon, petroleum coke, coal tar, pitch, and similar substances that become an ingredient or component of anodes or cathodes used in producing aluminum for sale.
[ 1996 c 170 s 1.]
Notes:
Effective date—1996 c 170: "This act shall take effect July 1, 1996." [ 1996 c 170 s 3.]