201 CMR 19.06
Defaults
(1) If a party fails to appear at the hearing or requests a rescheduling on the day of the hearing,
the arbitrator shall enter judgment by default against that party.
(2) If the defaulting party, within three business days after the hearing, demonstrates good cause
to the arbitrator for defaulting, the arbitrator will set aside the default. A new hearing will then
be scheduled pursuant to 201 CMR 19.05.