With the encouragement of Kwantung Army General Kenji Doihara, on November 15, 1935 Yin proclaimed the area under his administration as the East Hebei Autonomous Government, and independent of the Kuomintang government.
Yin declared the area under his control to be the East Hebei Autonomous Government on November 15, 1935, in defiance of the Kuomintang government, with support from Kenji Doihara.