From Brennan Center:

Second, policymakers and licensing bodies should remove vague and overbroad standards, such as “good moral character,” from qualification lists.

107 Jonathan Haggerty, How Occupational Licensing Laws Harm Public Safety and the Formerly Incarcerated, R Street Institute, 2018, https://www.rstreet.org/2018/05/31/how-occupational-licensing-laws-harm-public-safety-and-the-formerly-incarcerated.