(1) A party who has filed a claim or response may amend the claim or response by filing with the hearing panel the amendment desired and serving a copy on the other party.

(2) A party served with an amendment may within 7 days of the service file an answer.

(3) No amendment of claim or response shall be permitted by the hearing panel where it considers that the amendment could prejudice a parry or unduly delay the resolution of the dispute.