According to the government decree No.415-r, the Cabinet of Ministers of Ukraine excluded sea ports located on the territory of Crimea from the list of ports that are opened for foreign vessels. The government website reports about that.
Sevastopol, Evpatoria, Yalta, Feodosiya and Kerch ports were excluded from the list.
The Cabinet has also obliged the Ministry of Infrastructure of Ukraine to officially promulgate its decree within two weeks.