The protest committee may reopen a hearing when it decides that it may have made a significant error, or when significant new evidence becomes available within a reasonable time. It shall reopen a hearing when required by the national authority under rule F5. A party to the hearing may ask for a reopening no later than 24 hours after being informed of the decision. When a hearing is reopened, a majority of the members of the protest committee shall, if possible, be members of the original protest committee.