Skip navigation links
Code Development
Training and Certification
About Us
Industry Links
Contact Us
What's New
Skip navigation links
Members Only
Why Become a Member
How We Help You:Expand How We Help You:
Contact Field Manager
Field Services Assistance
Ask A Code Question
IAPMO Certified Professionals Search
Government Relations
Drought ToolkitExpand Drought Toolkit
Career Center
Uniform Codes Questions & Answers
Water Demand Calculator
Red Cross Relief - Hurricane Harvey
2017 Oregon Plumbing Specialty Code
Appeals Decisions 2017
Petition Filed and Council Appeals Decisions
World Plumbing Day Poster Contest
Code Errata - Addendums - Formal Interpretations

 Code Supplement

2006 UMC Errata 2nd Soft Cover.pdf2006 UMC Errata 2nd Soft Cover
2006 UMC Errata 3rd Print Soft Cover.pdf2006 UMC Errata 3rd Print Soft Cover
2006 UMC Errata 4th Print.pdf2006 UMC Errata 4th Print
2006 UMC Errata 5thPrint.pdf2006 UMC Errata 5thPrint
2006 UMC Errata 6th Print (903.3(A).).pdf2006 UMC Errata 6th Print (903.3(A).)
2006 UMC Errata 6th Print (App A 6-2).pdf2006 UMC Errata 6th Print (App A 6-2)
2006 UMC Errata 6thPrint.pdf2006 UMC Errata 6thPrint

 Formal Interpretations

2015-09-03 FI 005.pdf2015-09-03 FI 005
2009-12-04 FI004.pdf2009-12-04 FI004
2009-10-05 FI003.pdf2009-10-05 FI003
2007-02-22 FI002.pdf2007-02-22 FI002
2006-11-03 FI001.pdf2006-11-03 FI001