A FL is never voluntarily cancelled. I believe that the new ASLRB says that any TPBF oppertunity requires cancellation of a FL [exc: unarmed enemy units?]. The wording was changed in v2. In v1 I do not think that that was the case.rshurtz said:If a unit places a firelane and later a BU AFV bypasses its location is the FL automatically cancelled? or does the unit have the option of cancelling it?