(2) A duty, in relation to a service, to take or use proportionate measures relatingt o the design or operation of the service to effectively—
(a) mitigate and manage the risks of harm to children in different age
groups, as identified in the most recent children’s risk assessment of thes ervice (see section 10(6)(g)), and
(b) mitigate the impact of harm to children in different age groups
presented by content that is harmful to children present on the service
(3) A duty to operate a service using proportionate systems and processes
designed to—