How long is an I/I Compliance Certificate good for?
Ten years. Inspections are not required if you sell your compliant property within that ten year period.

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1. What is Inflow and Infiltration (I/I or I&I)
2. Why is I/I a problem?
3. Who is subject to an I/I Inspection?
4. What do I need to do for the inspection?
5. How do I know if I'm compliant?
6. How long is an I/I Compliance Certificate good for?