While general, the framework should be adapted to locally specific constraints. The following paragraphs provide supporting evidence for the main management elements. In their review of groundwater irrigation policies, Garduno and Foster (2010) call for the design and use of pragmatic four tier approaches combining i) administrative measures (regulations and charges), ii) community involvement and self-regulation, iii) financing supply and demand interventions, and iv) macro-intervention to constrain groundwater demand (agriculture policies, energy subsidies).