The FBI has issued an intelligence note about a letter received by more than 30 US governors, telling them to resign within three days.

Washington (CNN) — A domestic extremist group has sent letters to more than 30 U.S. governors demanding they resign, the Department of Homeland Security and the FBI said in an intelligence note.

The note, dated Monday, said the letters told the governors to vacate their posts within three days.

The FBI and DHS said there do not appear to be credible or immediate threats of violence attached to the letters.

The group behind the letters has a “Restore America Plan” that calls for the removal of any governor who fails to comply, the intelligence note said.

While DHS has no information that the removal refers to a specific plan for violence, “law enforcement should be aware that this could be interpreted as a justification for violence or other criminal actions,” the note said.

Other steps in the group’s plan include “establishing bogus courts, calling of ‘de jure’ grand juries, and issuing so-called ‘legal orders’ to gain control of the state,” the note said.

Oddly enough, this group does not appear to be a branch of CODE PINK. Here’s the Google cached version of their website: Guardians of the Free Republics.