For AI agents: read the machine-readable documentation index at /llms.txt or the single-file full reference at /llms-full.txt.

Rules; applicability to service suppliers; multiline telephone system compliance with federal regulations; "multiline telephone system" defined.

MCL 484.1413
in effect
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Source: Michigan Legislature (legislature.mi.gov)URL: https://legislature.mi.gov/Laws/MCL?objectName=mcl-484-1413Fetched: 10/20/2026