The name of the service may vary depending on the country where the parcel is sent from.
Shipments originating in United States
UPS Worldwide Saver 65
UPS Express Saver International shipments originating in Canada 65
UPS Worldwide Saver Shipments originating in the European Union 65
UPS Worldwide Saver Shipments originating in Mexico 65
UPS Express Saver Shipments originating in Poland 65
So their table shows that the service under the same code 65 is called differently depending on the country.
In our module, it's called UPS Worldwide Saver under number 65.