2023 Michigan Laws 324.80156 – Motorboat; muffler or underwater exhaust system required; maximum sound levels; test and maximum decibel levels; new motorboat to comply with prescribed sound levels; exceptions; “dB(A)” defined; viol

2022 Michigan Laws 324.80156 – Motorboat; muffler or underwater exhaust system required; maximum sound levels; test and maximum decibel levels; new motorboat to comply with prescribed sound levels; exceptions; “dB(A)” defined; viol

2020 Michigan Laws 324.80156 – Motorboat; muffler or underwater exhaust system required; maximum sound levels; test and maximum decibel levels; new motorboat to comply with prescribed sound levels; exceptions; “dB(A)” defined; viol

2019 Michigan Laws 324.80156 – Motorboat; muffler or underwater exhaust system required; maximum sound levels; test and maximum decibel levels; new motorboat to comply with prescribed sound levels; exceptions; “dB(A)” defined; viol

2017 Michigan Laws 324.80156 – Motorboat; muffler or underwater exhaust system required; maximum sound levels; test and maximum decibel levels; new motorboat to comply with prescribed sound levels; exceptions; “dB(A)” defined; viol

2016 Michigan Laws 324.80156 – Motorboat; muffler or underwater exhaust system required; maximum sound levels; test and maximum decibel levels; new motorboat to comply with prescribed sound levels; exceptions; “dB(A)” defined; viol

2015 Michigan Laws 324.80156 – Motorboat; muffler or underwater exhaust system required; maximum sound levels; test and maximum decibel levels; new motorboat to comply with prescribed sound levels; exceptions;

2014 Michigan Laws 324.80156 – Motorboat; muffler or underwater exhaust system required; maximum sound levels; test and maximum decibel levels; new motorboat to comply with prescribed sound levels; exceptions;

2013 Michigan Laws 324.80156 – Motorboat; muffler or underwater exhaust system required; maximum sound levels; test and maximum decibel levels; new motorboat to comply with prescribed sound levels; exceptions;

2009 Michigan Laws 324.80156 – Motorboat; muffler or underwater exhaust system required; maximum sound levels; test and maximum decibel levels; new motorboat to comply with prescribed sound levels; exceptions; “dB(A)” defined; violation as misdemeanor; penalty