7.1 The BWMS shall be accompanied by sampling facilities installed taking into
account guidelines developed by the Organization,footnote so arranged in order to collect representative samples
of the ship's ballast water discharge.
7.2 Suitable bypasses or overrides to protect the safety of the ship and personnel
shall be installed and used in the event of an emergency and these shall be
connected to the BWMS so that any bypass of the BWMS shall activate an alarm. The
bypass event shall be recorded by the control and monitoring equipment and within
the ballast water record book.
7.3 The requirement in paragraph 7.2 does not apply to internal transfer of ballast
water within the ship (e.g. anti-heeling operations). For BWMS that transfer water
internally which may affect compliance by the ship with the standard described in
regulation
D-2 (i.e. circulation or in-tank treatment) the recording in paragraph
7.2 shall identify such internal transfer operations.