Memorandum of Understanding and Supplementary Agreements Between the United Kingdom Government, the Scottish Ministers, the Welsh Ministers, and the Northern Ireland Executive Committee Presented to Parliament by Command of Her Majesty and presented to the Scottish Parliament and the Northern Ireland Assembly and laid before the National Assembly for Wales. September 2012
For full PDF click on this http://tinyurl.com/Devolution-Memorandum
The most important thing about the memorandum is that it has no legal standing, viz:
2. This Memorandum is a statement of political intent, and should not
be interpreted as a binding agreement. It does not create legal obligations
between the parties (para 2 of the introduction)