(b) if a worker is overdue, the employer or worker may endeavour to consult the other worker and to genuinely try to reach agreement on ways of reducing or eliminating the excessive provision for leave. (iii) that, if the worker so requires at one time or another, the employer must pay the worker, for overtime covered by the agreement but which is not exempted, the rate of overtime which applies to overtime at work; (a) Paid annual leave may be paid only under an agreement referred to in point 22.9. . . . .