Contracts of conveyance must be approved by the House
Likewise contracts in excess of grant
Remedy against illegal or oppressive acts by ministers of the Crown
Immunity of ministers of Parliament in courts of law
Unity of responsibility in the cabinet
Protection of officials from liability to actions at law
Constitutional remedy against an executive government by private
individuals who may be wronged
Ministers sworn to keep the king's counsel secret
Not to divulge the same in a court of law
Legal immunity of subordinate officers of State