COMcheck (Recommended): A COMcheck compliance certificate demonstrating the project's compliance with IECC-2021 or ASHRAE 90.1-2019 is attached to this statement.
Submit: with every application to construct or alter a building, other than a residential building with four or fewer stories above grade plane.
Residential: a Residential Compliance Statement must be filed for a residential building with up to four stories above grade plane.
Permits: no form is required with permit applications for temporary structures, communications equipment, construction equipment, or electrical-only permits.
Signature block: Date, Professional Seal, Signature, Printed Name and Illinois License Number.
| Question | Answer |
|---|---|
| Form Name | Form 408C |
| Form Length | 1 page |
| Fillable? | Yes |
| Fillable fields | 23 |
| Avg. time to fill out | 4 min |
| Edition | rev. 10/31/2022 |
| Issuing agency | Chicago Department of Buildings |
| Matches the agency's file | Yes, checked October 4, 2026 |
| Other names | Form 408C, 408C, Commercial Compliance Statement, Chicago energy transformation code compliance statement, Chicago Department of Buildings Form 408C |
| Official source | Form 408C (10/31/2022), Chicago Department of Buildings |
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