Charge movement bonus 5.7.2

If a unit starts the turn disordered and fails to rally from disorder would you allow use of the charge movement bonus. Rules don't specifically say you need to be in good order but if you fail to contact become disordered could be inferred you need to start in good order????
2nd point
If you are in good order make one move then declare charge using charge movement for the 2nd move. If you succeed and make contact with the bonus move do you have to take DT test for 2nd move or is that deemed to be taken into account when dicing for charge bonus because failed to contact would be disorderd?

1st point. You can you with no malus (nothing to loose)

2nd point. they are 2 separate test. Roll first for the bonus, if you fail they you don't need the test to see if you end in disorder.