Six Sigma in administration

Six Sigma can help to improve services provided by the administration or to reduce costs and compliance with the budgets granted. Examples of measurable indicators can be: time of deliver of a service (example an approval of document of urbanism), time for fulfillment of some objectives, % of objectives fulflled from total, time for invoices payment, etc.
For example: A Six Sigma project could be "Reducing the time of issuing the building permit." This process goes through several phases: documentation, studies, opinions, choices, options, deliberations. The key indicator which give the performance of the process and choosed to be improved is time for releasing the authorization (TEA).
For this, first we define the problem, identifies the process and team to work on the project. Specific tools of this phase (Define) for this case can be: Map process and collecting the Voice of the Customer.