The following events are considered disqualifiers.
1. Failure to complete a course prescribed by the Commissioner of Public Safety in the safety and use of pistols and revolvers.
2. Felony conviction.
3. Misdemeanor conviction for any one of the following:
a) Penalty for illegal possession. Alternative sentences. Subsection (c) of Section 21 a-279.
b) Criminally negligent homicide. Section 53a-58.
c) Assault in the third degree. Section 53a-61.
d) Assault of a victim sixty or older in the third degree Section 53a-61 a.
e) Threatening. Section 53a-62.
f) Reckless endangerment in the first degree. Section 53a-63.
g) Unlawful restraint in the second degree. Section 53a-96.
h) Riot in the first degree. Section 53a-175.
i) Riot in the second degree. Section 53a-176.
j) Inciting to riot Section 53a-178.
k) Stalking in the second degree. Section 53a-181d.
4. Has been discharged from custody within the preceding 20 years after having been found not guilty of a crime by reason of mental disease or defect pursuant to Section 53a-13.
5. Has been confined in a hospital for mental illness as defined in Section 17a- 495, within the preceding 12 months by order of a probate court.
6. Subject to a restraining or protective order issued by a court in a case involving the use, attempted use or threatened use of physical force on another person.
7. Is an alien illegally or unlawfully in the United States.