Constitution of the Time Lords

The  was a legal document of the Time Lords society on Gallifrey, set in articles. It could be amended on proposition of the Lord President and agreement of the High Council. (TV: The Deadly Assassin)

Contents
One of its laws was the article 17. (TV: The Deadly Assassin)

The Constitution clearly stated that when in emergency session, if the members of the Inner Council are unanimous, the President of the Council may be overruled. (TV: The Five Doctors)

History
Long before the Doctor's departure from Gallifrey, one of the Lord Presidents rewrote the Constitution of the Time Lords to allow the Lord President to name his successor. His intention was to create a family dynasty. (PROSE: Birth of a Renegade)

After the Fourth Doctor appealed on it, the candidate President Goth was willing to amend the article 17, once he had become Lord President. (TV: The Deadly Assassin)