All Shipowners/Operators/masters/officials, agents or persons responsible for the boarding of passengers, on motorized boats and similar water transport carriers duly documented and authorized as passenger ships for domestic trade, shall require all passengers to wear or hold their lifejackets as a compulsory/mandatory procedure at all times from boarding and/or prior to departure until disembarkation at the designated port, or when transferring to/boarding another ship to enable them to reach the shore or port or other ships and during the voyage to the designated port of disembarkation.