Section 502.4 - Automated Dispatch and Messaging System and Voice Communication System Requirements (Removed 2024-04-01)
Please note that Section 502.4 will be renumbered to Section 201.10 on April 1, 2024.
Document history
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Previous effective Section 502.4: March 27, 2015 - March 31, 2024
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Previous effective document July 2, 2014 - March 26, 2015.
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Previous effective document January 8, 2013 - July 1, 2014.
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