84.—(1) A council must make arrangements to secure continuous improvement in the exercise of its functions.
(2) In discharging its duty under subsection (1), a council must have regard in particular to the need to improve the exercise of its functions in terms of—
(a)strategic effectiveness;
(b)service quality;
(c)service availability;
(d)fairness;
(e)sustainability;
(f)efficiency; and
(g)innovation.