1.   The largely ceremonial presidency would rotate among major groups.

2.   The council presidency rotates among the member states.

3.   The presidency rotates each year.

4.   The presidency rotates among the member nations every six months.

5.   The EU and euro zone presidencies rotate every six months.

6.   The Swiss presidency rotates each year between the seven members of the coalition cabinet.

7.   The Swiss presidency rotates annually among the members of the coalition Cabinet, although the officeholder is formally elected by parliament.

8.   The Swiss presidency rotates annually among the members of the coalition cabinet, though the parliament formally elects the officeholder.

9.   The Swiss presidency rotates annually between members of the seven-member executive.