The presidency is for a one-year period and rotates between the four provinces.

The presidency rotated weekly among the senior representatives of the provinces.

The presidency of Iraq rotated monthly among nine members of the council.

The presidency of the Union rotates between the islands.

The presidency of the group rotates annually among member countries, with each new term beginning on 1 January of the year.

The presidency rotates every six months and will go to Spain in January.

The presidency of the council rotated among the six members of the majority party.

The presidency of the network rotates every two years.

The largely ceremonial presidency would rotate among major groups.

Its presidency rotates among the three disciplines, with vice-presidents always representing the other two.