Why can't I find the document number? [20 15] 99 issued by Hohhot Municipal Construction Committee?

Guo Tu Zi Fa [2015] No.90 20 15-7- 10 The competent departments of land and resources of all provinces, autonomous regions and municipalities directly under the Central Government, the Housing and Urban-Rural Construction Department (Construction Committee, Real Estate Bureau): In order to implement the "the State Council Institutional Reform and Functional Transformation Plan" and the "On Integrating the Responsibilities of Real Estate Registration" compiled by the Central Committee, ...