21.   The classification scheme is intended to act as an authority in selecting the relationships to be shown.

22.   The World Heritage designation has no statutory authority in Britain.

23.   These proposals provide for the replacement of the present local authorities in the area.

24.   He incurred the wrath of the authorities in speaking out against government injustices.

25.   The principal overstepped her authority in ordering everyone to remain in the unheated school.

26.   After their statement had been released to the press, the unarmed hijackers surrendered to Indian authorities in Calcutta where they were detained for trial.

27.   The resultant lack of manpower prompted authorities in several regions to declare a state of emergency and to call on all able-bodied citizens to help with harvesting.

28.   The new authorities in Addis Ababa could not have been more co-operative during his recent talks with them.

29.   The regional authorities in Wallonia, which were responsible for policy but dependent upon allocations from central government, were unable to pay for such increases.