Yoritomo Matsoru opt question

L5R CCG Rules board, 1 November 2006

A topic from AEG's L5R CCG Rules forum, copied for Oracle of the Void from the Wayback Machine (its copy), so posts 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.

A player, 1 November 2006

If I have locked down more than one province with Yoritomo Matsoru's ability, can the opponent remove both locks on the same turn, or is unlocking the province a once per turn ability?