We meet with it as "jar-go-che of Dbusgtsang" in the biographical note on Rdo-rje mgon-po; see Dpal-ldan chos-kyi bzang-po's Sde pa g.yas ru byang pa'i rgyal rabs rin po che'i bstar ba, Rare Tibetan Historical and Literary Texts from the Library of Tsepon W.