When does a unit stop being disordered? End of the round of the state or is it a manuever to reform?

When does a unit stop being disordered? End of the round of the state or is it a manuever to reform?

If it is disordered at the start of the Round, then it is Disordered all round.

If you are Disordered:
Maneuver to start the round not disordered!

That is, the Unit Commander's roll will give some options.
He ought to choose one which will end with the unit disengaged, victorious, or whatever might ensure that.