The UK constitution is in no doubt a unitary one, with power ultimately residing with the central government. Yet these powers are fused between separate branches of the government, with each one acting as a check on the other thus ensuring full political and constitutional accountability.
The doctrine of the separation of powers according to Montesquieu is to “avoid the risk of too much power being accumulated in one person or institution” The idea is to keep the judiciary, the legislature and the executive altogether separate from one another to prevent an overlap and ultimately an extension of their respective powers. One such example of this is that the judiciary abstain from divulging in political activities whatsoever and under Schedule 1 of the House of Commons Disqualification Act 1975 are subsequently forbidden from holding office as a Member of the House of Commons.
Lord Mustill stated that “It is a feature of the peculiarly British conception of the separation of powers that Parliament, the Executive and the Courts have each their distinct and largely exclusive domain. Parliament has a largely unchallengeable right to make whatever laws it thinks right. The Executive carries on the administration of the country in accordance with the powers conferred on it by law. The Courts interpret the laws and see that they are obeyed.”
Within the various institutions of the government, rules set in place by the prime minister can be found to ensure the constitutional conformity of the cabinet’s ministers within each area of the government. For example the Ministerial Code of Conduct outlines the responsibility of Members of Parliament to “maintain the high standards the British people have a right to expect” of them. The Parliament Acts of 1911 and 1949 also sought to prevent an abuse of power by the Lords in legislature and shifted the base of power to the House of Commons thus establishing a direct line of accountability to the electorate.
The general constitutional philosophy as influenced by A.V Dicey suggests that British citizens are “without benefit of positive and fundamental constitutional rights giving legal protection to the individual against the public authorities of the state”. It can be argued that this is a fairly accurate outlook of the modern constitution as there is no “fundamental” constitutional law that takes precedence over legislation. However, this rigid theory does not allocate for the present principles of democracy, for example the freedoms of the individual established by the Human Rights Act 1998.
When doubts or disputes arise over particular political policies there are a number of committees in place that Ministers are obligated to consult. Such proposals are debated within these committees, opposing points of view are argued and therefore a safeguard from an abuse of prerogative powers is brought about. There is also a convention introduced under the Bill of Rights Act 1689 that initiated further checks on the government which requires Parliament to convene ‘frequently’. This was determined under the Meeting of Parliament Act 1694 which stated that they ought to do so at least once every three years.
There are many arguments for conventional rules to be codified to ensure certainty in order that they may be easily interpreted thus reducing potential political conflict. If they were to be made law they would also entail legal consequences for those not following them. On the other hand lays the considerable trouble of determining which conventions to codify as they are a substantial number of them in practice and should they become law an unavoidable overlap of the separation of powers would arise whereby the judiciary would find themselves interpreting political matters and inadvertently bringing about constitutional change. Constitutional conventions are altogether separate from regular legislation. They are formed and fashioned by politicians using alternative means to common law or legislation. A practice which is traditionally honoured by those that it impinges upon and rely on its enforcement on political rather than legal sanctions.
These opposing approaches are summed up by Lord Halisham’s comparison between the conventions of the UK constitution with those of the codified American constitution: “It is the acceptance of convention, which seems to make the British a nation of cricketers, and the Americans a nation of litigants.” He goes on to discuss the limitations of the power of the UK government as a result of these conventions in his ‘Elective Dictatorship’ report: “The limitations on it, are only political and moral. They are found in the consciences of members, in the necessity for periodical elections, and in the so called checks and balances…” He concludes that the UK is under an elective dictatorship in which Parliament is controlled by the government by way of ministers seeking re-election and that a ‘whip’ convention has come about whereby members are influenced through fear of removal from office. Another commonly regarded political practice of Ministers is that should they oppose certain policies, by convention they are obliged to resign their office. For example; the Defence Secretary, Michael Heseltine, resigned during the Westland Affair 1986.
It is widely recognised that because constitutional conventions are unenforceable through a court of law, the government may alter or ignore specific conventions as and when they see fit. One significant case is that of Madzimbamuto v Lardner-Burke when the doctrine of collective responsibility was overlooked as the Privy Council dismissed arguments that the Southern Rhodesia Act 1965 was not applicable as it conflicted with the convention. Lord Reid stated that “It is often said that it would be unconstitutional for United Kingdom Parliament to do such things…But that does not mean it is beyond the power of Parliament to do such things. If Parliament chose to do any of them the Courts could not hold the Act of Parliament invalid.” Such an example strongly indicates that conventions do not hold any restraints over the powers of the executive.
However, these views can be compared with the case of Attorney General v Jonathon Cape Ltd. Richard Crossman, a Cabinet Minister wrote his political memoirs and upon his death they were to be published. As a result of the nature of political insinuations described within them, the Cabinet via the Attorney-General applied for an injunction to prevent them from becoming available to the public. It was held that they would not be published bas the doctrine of collective responsibility would be harmed upon their release and that the convention should be protected. Therefore, if there is more than one statutory interpretation, the one that conforms to the convention is preferred. However the House of Lords have stressed on occasion that such an interpretation does not necessarily have to be applied.
This contention of the Attorney-General in Attorney General v Jonathon Cape Ltd is supported by the views of Lord Salmon in Reg v Lewes Justices: “When it is in the public interest that confidentiality shall be safeguarded, then the party from whom the confidential document or the confidential information being sought may lawfully refuse it. In such a case the Crown may also intervene to prevent production or disclosure of that which in the public interest ought to be protected.” It may be seen that it is important in some situations to have such flexibility although it could also be argued that this is both unreliable and erratic. This case does however represent that conventions are both recognised and upheld and therefore enforces the argument that constitutional conventions do indeed protect against misuse of executive power.
Contrary to this perception are the statements of Professor Jowell, QC: "Ministerial executive powers do not require, either by law or convention parliamentary approval before or after they are used. Parliament does not even have to be told that they have been exercised. Indeed, Ministers have said that no record is kept of their use and that it would not be practicable to do so.”
The demise of the Royal prerogative powers to the ascendency of Parliamentary sovereignty have undoubtedly contributed to an increased requirement for ministerial accountability. Although the Queen has the fundamental power to dissolve Parliament and its ministers, for the most part it is Parliament who exercises the utmost power. “The Sovereign is he who decides the exception, and the veracity of a political and legal system can only be assessed with regard to who makes this decision, and how effective it is. Political authority, ultimately, lies with those who can enforce legal decisions.”
Upon weighing up the opinions and arguments presented it is apparent that there is evidence to support both sides as to whether or not constitutional conventions are capable of constraining those who hold public office. One of the most valid implications is that the true nature of the problem presented in Parliament being able to constrain its Ministers from an abuse of lies in the ‘hazy nature of the British Constitution’.
Obvious reasons exist for the comprisal with conventions although there are substantial grounds for the introduction of codified conventions. The conventions appear to be met with much perplexity and suppositions on the obligations, rather than enforceable laws, they impose on the executive such as A.V Dicey’s interpretations mentioned earlier. However we can certainly appraise their flexibility in allowing the constitution to adapt to an ever-changing society without much difficulty.
Of course this has its drawbacks in allowing Ministers an excessive amount of freedom to change the rules to allocate their own political agenda as demonstrated in Attorney General v Jonathon Cape Ltd. The emergence of an elective dictatorship in the UK is addressed thus throwing a shadow of reservation towards full confidence in the efficiency of the conventions.
It can be concluded that constitutional conventions, at the very least, have a certain aspect on the constraints of Ministers in public office and with the House of Commons scrutinizing the government’s execution of its favoured policies, they altogether represent sound principles for ministerial responsibility and accountability.
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