A topic from AEG's L5R CCG Rules forum, copied for Oracle of the Void from a copy of the forum saved in October 2015, so pages it didn't save are missing. Players' names are left out; the rules officials are named. Rulings are as they stood on these dates; later rulings, the rulebooks and the Rules Archive may differ.
pt. 11 [...] The Siege player may declare an attack on an individual Rokugani player, possibly destroying his or her provinces and eliminating the player, as normal.
Question is - are other rokugani players able to help this individual player assigning their units or he must defend alone?
pt. 11 [...] The Siege player may declare an attack on an individual Rokugani player, possibly destroying his or her provinces and eliminating the player, as normal.
Question is - are other rokugani players able to help this individual player assigning their units or he must defend alone?
Yes, they can.