Italy's two populist parties have revived their plans to form a coalition government and again put forward Giuseppe Conte as prime minister.
After meeting President Mattarella, Conte confirmed reports that the new candidate for the key economy minister post would be economics professor Giovanni Tria.
Eurosceptic economist Paolo Savona, 81, who was rejected as finance minister on Sunday, will be responsible for European affairs, according to a cabinet list which Mr Conte read to reporters.
Salvini, who wants to open a migrant detention and deportation centre in every Italian region, later tweeted: "Either Europe gives us a hand in making our country secure, or we will choose other methods".
Luigi di Maio, who heads the 5-Star Movement, was made minister for economic development while minister for public administration is lawyer Giulia Bongiorno, who defended the ex-boyfriend of Amanda Knox against murder charges.
The country's new populist government involving the anti-establishment Five Star Movement (M5S) and the League was sworn in last week, ending months of uncertainty for the EU's fourth-biggest economy.
Carlo Cottarelli, a former official with the International Monetary Fund (IMF), was then appointed interim prime minister by Mr Mattarella to form a technocrat cabinet on Monday.
The 5-Star Motion is Parliament's largest get together because of assist from southern Italy, the place voters within the March election preferred Di Maio's promise of a minimal revenue for the unemployed.
By Friday, EC spokeswoman Mina Andreeva said Juncker "deeply regrets" the comments and reaffirmed that he not only loved Italy, but that the European Union executive was committed to working with its new government.
Recently, Soros relocated the foundation out of his native Hungary, where right-wing Prime Minister Viktor Orban has accused it of being part of a strategy to flood Europe with migrants - something Soros and his organization deny.
Yet migrant arrivals to Italy actually plunged in the past year under the center-left Democratic Party, which signed controversial deals with Libya to beef up coastal patrols and prevent migrants from setting out in smugglers' boats across the Mediterranean Sea.
Both will also serve as vice-Prime Ministers.
The spread, or difference in yield, between Italian and German 10-year government bonds, fell to 217 basis points after crossing the symbolic threshold of 300 basis points on Tuesday.
Nobody believes this new government will have an easy ride.
While confirming Italy's North Atlantic Treaty Organisation commitments, the new government's policy agenda calls for a lifting of European Union sanctions against Russian Federation as well as the opening of dialogue and partnerships, given Moscow's economic, commercial and strategic importance.