After the anniversary of the date of delivery of the ship in 2015, the following shall no longer be allowed:
((a))
the continued operation, in accordance with Regulation 20.5 of Annex I to MARPOL 73/78, of Category 2 and Category 3 oil tankers under the flag of a Member State;
((b))
the entry into the ports or offshore terminals under the jurisdiction of a Member State of other Category 2 and Category 3 oil tankers, irrespective of the fact that they continue to operate under the flag of a third State in accordance with Regulation 20.5 of Annex I to MARPOL 73/78.