The Secretary of State may by regulations provide that the provider of a public electronic communications network or a public electronic communications service must take specified measures or measures of a specified description.
A measure or description of measure may be specified only if the Secretary of State considers that taking that measure or a measure of that description would be appropriate and proportionate for a purpose mentioned in section 105A(1).
In this section "specified" means specified in the regulations.
Nothing in this section or regulations under it affects the duty imposed by section 105A.