A Smoke and CO Detector Certificate was filed at 199 Arlington St, Framingham. This certificate confirms the installation of smoke and carbon monoxide detectors in the building.

The applicant is 199 Arlington St LLC. The permit number is FIR223701. No details about the building type or property classification were provided.

The next step is to check if the certificate is valid and if the detectors are properly installed. No further action is needed until the expiration date is known.