A member of a police force may, in the course of performing his
or her duties as such a member, communicate to another member of a police
force, or to any other person whose assistance may be required in dealing with
an emergency of a kind referred to in paragraph 30(1)(b), information
communicated (whether before or after the commencement of this section) to the
first - mentioned member in accordance with subsection 30(3) or this
section.