2023 Michigan Laws 339.1309 – Unethical or gross ignorance or inefficiency in sale or fitting of hearing aid; penalties

2022 Michigan Laws 339.1309 – Unethical or gross ignorance or inefficiency in sale or fitting of hearing aid; penalties

2020 Michigan Laws 339.1309 – Unethical or gross ignorance or inefficiency in sale or fitting of hearing aid; penalties

2019 Michigan Laws 339.1309 – Unethical or gross ignorance or inefficiency in sale or fitting of hearing aid; penalties

2017 Michigan Laws 339.1309 – Unethical or gross ignorance or inefficiency in sale or fitting of hearing aid; penalties

2016 Michigan Laws 339.1309 – Unethical or gross ignorance or inefficiency in sale or fitting of hearing aid; penalties

2015 Michigan Laws 339.1309 – Unethical or gross ignorance or inefficiency in sale or fitting of hearing aid; penalties

2014 Michigan Laws 339.1309 – Unethical or gross ignorance or inefficiency in sale or fitting of hearing aid; penalties

2013 Michigan Laws 339.1309 – Unethical or gross ignorance or inefficiency in sale or fitting of hearing aid; penalties

2009 Michigan Laws 339.1309 – Unethical or gross ignorance or inefficiency in sale or fitting of hearing aid; penalties