Section 504. Plumbing Systems and Fixtures
504.1 General. {As in IPMC}
504.2 Fixture clearances. {As in IPMC}
504.3 Plumbing system defects.
Inadequate service, inadequate venting, cross-contamination, back-siphonage, improper installation, deterioration, damage, and similar defects in a plumbing system must be corrected.