Communications on a distress frequency or channel is banned for 24 hours following the cessation of the distress traffic

Stations not directly involved with the on-going Distress communications may not transmit on the distress frequency or channel

Two three-minute silent periods, at 15 and 45 minutes after the hour, that provide a transmitting "window" for distressed vessels to transmit distress alerts using J3E

Stations remaining off the air to safeguard proprietary information