WATCH: FIRST DAY On The Job Donald Trump Signs New Laws

Donald Trump isn't wasting much time before signing some presidential paperwork.

Press secretary Sean Spicer says on Twitter that the new president is signing formal nominations for each of his Cabinet picks and other members of the new administration.

He's also signing a proclamation for a National Day of Patriotism and legislation that clears the way for retired Marine Gen. James Mattis to run the Pentagon, if confirmed by the Senate.

Trump signed the documents as he was surrounded by lawmakers and his family members, and he handed out ceremonial pens to members of Congress.