Is CF2R-ALT-05-E the same as CF1R-ALT-05-E?

No. The CF1R is the certificate of compliance used to get the permit. The CF2R is the installer's certificate completed when the work is done.

Can I skip the form because the work is small?

Only if your building department says so. The code lets it waive or simplify the certificate for alterations without field verification, but the work must still comply.

CF2R-ALT-05-E: The Installation Certificate When No ECC-Rater Is Needed

CF2R-ALT-05-E is the installer's certificate for prescriptive alterations that do not require field verification, the partner of CF1R-ALT-05-E. It applies only while no ECC-Rater test is involved. Whether your department wants it at all, and whether it must be registered, is decided locally, and the code text allows more than one reading.

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What the number says

Appendix A titles it "Prescriptive Alterations - That Do Not Require Field Verification". Its design-stage partner is CF1R-ALT-05-E, and additions have the same pairing in CF1R-ADD-02-E and CF2R-ADD-02-E. A window replacement or a water heater swap with no rater test is the typical home of this form; see window replacement forms and water heater forms for the CF1R side.

When a job outgrows it

The pair exists for work without field verification. Once a feature that needs an ECC-Rater goes in, the project moves to the verified route: the CF1R and CF2Rs must be registered and a CF3R follows. A furnace or AC changeout, for example, is documented on CF1R-ALT-02-E rather than ALT-05. The three alteration versions are set side by side in ALT-01, ALT-02 and ALT-05 compared.

Does it have to be registered?

Two passages, two readings. Appendix RA2.5 says that where no field verification is required, the certificates posted for final inspection need not be registered copies. Part 1, Section 10-103(a)3C asks low-rise residential installers to submit all other certificates of installation to a data registry, except those the Commission does not require. Do not pick one on your own: ask the department what it expects to see at final. The general rule is on what registration required means.

It may not be asked for at all

For alterations without field verification, including water heater and window replacements, the department may require no certificate of installation or a simplified one. That allowance never authorizes work that breaks the code.

Who signs and what it certifies

The person responsible for the installation signs, or an authorized representative under a written agreement. The form must state the building permit number and declare that what was installed conforms to the plans and the approved CF1R. More on signers is on who completes CF2R forms, and our residential service prepares the design-stage report.

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