1. The attacker may modify his combat moves provided that he sends an updated pre-combat turn before rolling any dice. No changes will be allowed once any combat dice are rolled.
2. The attacker may modify his non-combat or unit placements at any time as long as the changes are sent out before his opponent sends in his pre-combat moves.
3. Players may send special instructions at any time provided that they are received prior to the applicable battle being rolled.