Any citizen of the United States, wherever he may be, who, without authority of the United States, directly or indirectly commences or carries on any correspondence or intercourse with any foreign government or any officer or agent thereof, with intent to influence the measures or conduct of any foreign government or of any officer or agent thereof, in relation to any disputes or controversies with the United States, or to defeat the measures of the United States, shall be fined under this title or imprisoned not more than three years, or both.This section shall not abridge the right of a citizen to apply, himself or his agent, to any foreign government or the agents thereof for redress of any injury which he may have sustained from such government or any of its agents or subjects.
- In 2007, when House Speaker Nancy Pelosi (D-Calif.) went to Syria to negotiate with President Bashar al-Assad.
- In 2015, when House Speaker John A. Boehner invited Israeli Prime Minister Benjamin Netanyahu to address Congress without President Obama's permission.
- In 2015, when 47 Republican senators, led by Sen. Tom Cotton (R-Ark.), wrote a letter to Iranian leaders warning them not to agree to a nuclear deal the United States was negotiating.
- And in 2016, when Republican presidential nominee Donald Trump stared straight into the cameras at a news conference and said: “Russia, if you’re listening, I hope you’re able to find the 30,000 emails that are missing.” The Senate's top Democrat at the time, Harry M. Reid (D-Nev.), said Trump “can't control his brain” is “being dumb” and accused him of violating the Logan Act.