The process was launched in 2011 and will be phased in over 14 years. It will involve significant changes to existing administrative and management systems. Various aspects of the NHI are being tested in ten districts. To attain a high degree of risk pooling and equity the plan envisages the creation of a single NHI fund (in 2014/2015) with contributions being based on ability to pay (with no opt-out) and health benefits determined by medical needs.