3.3.1 Each ship should submit a full report
in accordance with paragraph 3.2.1 as soon as it crosses
the boundary to enter the ship reporting system.
3.3.2 Each ship should submit a report in accordance
with paragraph 3.2.2 as soon as it crosses the boundary to leave
the ship reporting system.
3.3.3 Further reports should be made whenever
there is a change in navigation status or circumstances, particularly
in relation to item Q of the reporting format.