(1)The Assembly shall keep under review the exercise by the Mayor of the statutory functions exercisable by him.
(2)For the purposes of subsection (1) above, the powers of the Assembly include in particular power to investigate, and prepare reports about,—
(a)any actions and decisions of the Mayor,
(b)any actions and decisions of any member of staff of the Authority,
(c)matters relating to the principal purposes of the Authority,
(d)matters in relation to which statutory functions are exercisable by the Mayor, or
(e)any other matters which the Assembly considers to be of importance to Greater London.