Introduction Save the constitutions of Oromia and Tigray, the remaining seven sub-national constitutions were adopted after the promulgation of the federal constitution. Accordingly, the first SNNPR constitution was adopted in 1995 as per the authorization it gets from Art 50(5) and Art 52(2) (b) of the federal constitution. This constitution was active until it was finally replaced by the revised SNPPR constitution of 2001. As it holds true for other regional constitutions, the revision was the need to constitutional zed principles of separation of power,…