This appears on Page 18 of the UN Doc on Alleged Convergences...
It is referred to as the Hierarchy of Norms but we will know it better as Kikapu's Hierarchy of Laws.
So from Page 18, there is agreement on the top two levels of the hierarchy...
1. Constitution
2. Constitutional Laws, International Treaties, Co-operation Agreements
... but there are differences when it comes to levels 3 and 4...
The Illegal Regime insists on just one lower stage, Level 3, being...
3. Federal Laws and the "Constituent State" Laws
...whilst the Republic separates them in to two lower levels...
3. Federal Laws
4. Laws of the federated units