The Chairman of the National Council or, if he is absent or unable to attend, the Vice-Chairman shall summon the parties by registered letter with acknowledgement of receipt within fifteen days of the referral and at least eight days before the date of the mediation session.
A copy of the referral document shall be attached to the summons of the party that did not initiate the mediation.
The summons shall specify that the interested parties must appear in person. They may be assisted by counsel.