(b)  A substitute must be an eligible player of the club concerned.   If a substitute player is not available immediately after such illness, accident, or emergency the match shall be continued, leaving out the sets for which the substitute is required.

(c)  If a substitute is not available within fifteen (15) minutes of the completion of the sets possible to be played, the club will be considered not to have scored any further games in any sets for which the substitute was required.

(d)  Once a substitute player has started play, they must, if necessary, be prepared to complete all their sets without a rest break.

(e)  The names of all substitute players used must appear on the match scorecard in the place of the defaulting player.   A suitable written explanation for the substitution must be entered on the scorecard.