The head (however described) of a security authority, or a person acting as that head, must give to the Attorney - General, within 3 months after an authorisation under section 31A given to the authority ceases to have effect, a written report about:
(a) the outcome of the development or testing of technologies, or interception capabilities, in relation to which the authorisation was given; and
(b) the destruction of information or records under section 31C.