The inscription was discovered in the Ortenbulak district on 105 km far from Ulan-kus somon of Bayan-Ulgey.
Writing is made on a quadratic slate.
The old Turkic writing consists of 7 letters and separately 3 and 1 letters.
Size of the slate is 2,3 x 2,67 x 3,5 m.
N.Bazylkhan found in 1999 and provided investigation of the text.