It's an unwritten agreement that my customers do not trade among themselves.
South African officers said that until now there was an unwritten agreement not to interfere with the dam complex.
So we ended up with this unwritten agreement in the band, where we'd all throw together a few ideas at the beginning of a track.
Until recently, there has been an unwritten agreement among the parties that they don't challenge each other's petitions.
Brown is furious that Blair has gone back on their unwritten agreement.
They had an unwritten agreement that each would support the other in their own bailiwicks.
There was therefore an unwritten agreement that this war would be a "white man's war."
Under an unwritten agreement, teams do not claim players they know are going to Japan.
It ended with an unwritten agreement between Israel and the guerrillas not to strike at civilian targets.
They knew this, and every summer on their arrival the same scene was enacted as though by an unwritten agreement.