Italian cabinet was to be urged to accept the Allied proposals for Fiume according to the Weekly appreciation of matters of naval interest No.13 week ended 15 March 1919

An item reported that the French and American representatives at Rome, Italy were ordered to urge the Italian cabinet to accept the proposals of the Admirals Committee dealing with Fiume [Rijeka, Croatia]. The British representative was ordered to act with the French and Americans.

Source

The National Archives, Kew Gardens, England CAB-23-76-100