US lawWashingtonRegulationsTitle 51 — ENTERPRISE SERVICES, DEPARTMENT OF (BUILDING CODE COUNCIL)Chapter 51-11C — STATE BUILDING CODE ADOPTION AND AMENDMENT OF THE 2021 EDITION OF THE INTERNATIONAL ENERGY CONSERVATION CODE, COMMERCIAL51-11C-80000WAC 51-11C-80000WAC 51-11C-80000. Appendix C—Exterior design conditionsLast amended: 2013Year: 2026Length: 20 wordsOfficial source As required by Sections C302.2 and R302.2, the heating or cooling outdoor design temperatures shall be selected from Table C-1.PreviousWAC 51-11C-71039NextWAC 51-11C-80100