5.8 The application should include a Formal Safety
Assessment or a Safety Case to ensure that the Other Method or system
based on an Other Method is safe for installation on board ship and
any risks to the ship's crew resulting from the system are identified
and adequately addressed. This Formal Safety Assessment or Safety
Case should be consistent with part 3 of the annex to the Guidelines
for approval of ballast water management systems (G8) and approved
by the Administration.