Ceremonial robe

The allegedly "seldom"-worn ceremonial robes of the Time Lords, as worn on the occasion of the resignation of their President. (TV: The Deadly Assassin)

Ceremonial robes were worn by Time Lords. (PROSE: All Flesh is Grass) When in attendance at the Panopticon, Time Lords wore robes in the colours of their Chapter. Around the time of Goth's assassination of the President, Runcible claimed that the robes were "seldom robes", (TV: The Deadly Assassin) although it seemed in most accounts that most Time Lords ordinarily wore robes when on Gallifrey, (TV: The Invasion of Time, The Day of the Doctor, etc.) although renegade Time Lords who had left the planet, and Gallifreyan agents carrying out missions in the outside universe, could don other outfits when necessary. (TV: Terror of the Autons, Genesis of the Daleks, etc.)