Which of the following best captures the scope of Section 9 of the Arms Act, 1959 as a whole?

Section 9 bars persons under twenty-one, persons recently sentenced for offences "involving violence or moral turpitude" and persons bound over, and forbids supplying arms to them or to persons of unsound mind. Licensing procedure is in ss.13 to 15, penalties are in s.25 onwards, and the Act imposes no general ban.