That is a ransom note issued by military dictator when he was holding country hostage at gun point. It has no legal standing in any court whatsoever. So, the question of it cancellation does not exists.
Yeh right, no body was forcing whole civilian machinery, political parties, workers, civilians other departments & agencies to accept the Chief order's..
The reality is totally different, and you will see that until current Army chief don't voided the order, 3rd Nov actions will en tacked forever !