There are 2,500 Protestant parades that go off without incident in Northern Ireland each summer.
Protestant parades throughout July commemorate ancient victories over Catholics.
This is also the start of the annual season of Protestant parades, which may be even more violent than usual.
Many Catholic communities resent the Protestant parades passing through their areas.
Several compromises under discussion are still possible, even though the issue is complicated by the start of the often violent summer season of Protestant parades.
But, he added, the first dangerous test will come at the end of June, the season for Protestant parades in the North.
Many Catholics recall that before the present conflict, they enjoyed the Protestant parades.
The hostility stems from the lagging peace effort and from an old dispute about a Protestant parade through a Catholic area.
Protestant parades would regularly march through this area and past the Catholic Church.
Again, the legislation tended to benefit Protestant parades.