The Legal Service Commission of Singapore owes its existence to the application of two constitutional doctrines. First, the Constitution of the Republic of Singapore subscribes to the doctrine of separation of powers between three branches of government: the executive, the legislature and the judiciary. ... The second constitutional doctrine also follows the British model: the principle that the public interest demands that the maintenance of political impartiality in the Civil Service and confidence in that impartiality [is] an essential part of the structure of government...