90.—(1) A council must make arrangements for—
(a)the collection of information which will allow it to assess whether it has met during a financial year those improvement objectives set under section 85(1) which are applicable to that year;
(b)the collection of information which will allow it to—
(i)measure its performance during a financial year by reference to those performance indicators specified under section 89(1)(a) which are applicable to the council for that year;
(ii)assess whether it has met during a financial year those performance standards specified under section 89(1)(b) which are applicable to the council for that year;
(c)the collection of information which will allow it to—
(i)measure its performance during a financial year by reference to those self-imposed performance indicators which are applicable to that year;
(ii)assess whether it has met during a financial year those self-imposed performance standards which are applicable to that year.
(2) For the purposes of this section and sections 91 and 92—
(a)a self-imposed performance indicator is a factor by reference to which a council has decided to measure its performance in exercising its functions; and
(b)a self-imposed performance standard is a standard which a council has decided to meet in relation to a self-imposed performance indicator.