Kendo game rules (established in March 1950) --- Article 3. Referee --- B. Refereeing Method --- Section 5. In the event that tsubazeriai continues for five seconds, the referee shall stop the match, make the fencers return to the mark, and restart the match.
撓競技法（昭和25年（1950年）3月）（中略）3審判（中略）（ロ）審判法（中略）（5）鍔競合5秒以内に及ぶ場合は試合を中止させ、出發線まで戻して再び開始させる。