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NFPA 72 sets the inspection, testing, and maintenance cadence for fire alarm systems. Annual is the minimum; many components require more frequent attention.
Beyond passing the test, what matters is the documentation. A clean inspection report, a closed deficiency list, and a working monitoring account are what your AHJ asks for at audit.
Maritech's inspection program produces AHJ-ready records and a prioritized remediation plan when deficiencies are found.