... amend any such legislative proposal by altering the amount of a charge, or its incidence, duration, mode of assessment, levy or collection, or the administration or application of money raised by such a charge.[152] These rules, although not embodied in any law or standing order, were through centuries so generally observed in the usage of the two houses that they became for all practical purposes, a part of the constitutional system—conventional, it is true, but none the less binding. From their observance it resulted ... — The Governments of Europe • Frederic Austin Ogg