104.220—Company or vessel personnel with security duties.
Company and vessel personnel responsible for security duties must maintain a TWIC, and must have knowledge, through training or equivalent job experience, in the following, as appropriate:
(c)
Recognition of characteristics and behavioral patterns of persons who are likely to threaten security;
(l)
Methods of physical screening of persons, personal effects, baggage, cargo, and vessel stores; and
(m)
The meaning and the consequential requirements of the different Maritime Security (MARSEC) Levels.