This proposal was sponsored by Hu Yaobang in June 1979 while Hu Qiaomu of the CCP Politburo lent his support for the idea in April 1980.
Ovaj prijedlog sponzorirao je Hu Yaobang u lipnju 1979. dok je Hu Qiaomu iz Politbiroa KKP-a dao podršku ideji u travnju 1980. godine.