The first of only two episodes where a post script was used. In this instance: "The abuse of the Federal Grand Jury system as dramatized here is currently permissible under existing laws." ("currently" referring to the production date in 1976.) Another episode which utilized a post script was The House on Willis Avenue (1978).
For his performance in this episode, James Garner won an Emmy Award for Outstanding Lead Actor In A Drama Series (1977). (Actually, it was for the entire season; the real winner for one episode was Louis Gossett Jr. as Fiddler, in one Chapter of Roots. Garner was nominated five times for his role as James Rockford but this was the only year he won it.)
The title is used in the swearing in of the President of the United States or when someone takes an oath in court or for an affidavit/sworn statement. However, the actual saying of the phrase is only a custom and is, in fact, optional in all circumstances under the provisions of the First Amendment of the US Constitution. It cannot be compelled of anyone who, for religious, personal or other reasons omits it from any legal oath.
William Daniels (the prosecutor) previously guest-starred on The Rockford Files in season two, episode nineteen "The Italian Bird Fiasco." He was the client in that episode. He was also slated to appear in "The Oracle Wore Cashmere", but was sick and replaced by Robert Webber.
The alias that Sorvino used sounds a lot like George Kaplan, the name that caused so much trouble for Roger Thornhill in the classic Intrigo internazionale (1959).