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Jan 15, 2009 · SALES TAX EXEMPTION (InFORMATIONAL ONLY) For resale - not subject to Washington State Sales Tax, Reg. #CB 315 001-050-06. Service contract not subject to WA State Sales Tax. Contract subject to sales tax exemption as provided by RCW 82.12. et seq. PREVAILING WAGES. HOURS OF LABOR AND PREVAILING WAGES ................
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