3.3.1 Ships must submit a report:
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.1 on entering the reporting area as defined in
paragraph 2; or
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.2 immediately after leaving a port, terminal
or anchorage situated in the reporting area; or
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.3 when deviating from the route leading to the
originally declared destination, port, terminal, anchorage or position
“for orders” given on entry into the reporting area; or
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.4 when it is necessary to deviate from the planned
route owing to weather conditions, damaged equipment or a change in
navigational status; and
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.5 on finally leaving the reporting area.
3.3.2 Ships are not required to send a report
if, during normal sailing through the reporting area, they cross the
area's boundary on other occasions apart from initial entry or final
departure.