Introduction
In the Australian federation, the creation and application of law are principally divided between two fundamental institutions: the Parliament and the courts. This division reflects the doctrine of the separation of powers, a constitutional principle inherited from the Westminster system that notionally separates governmental power into legislative, executive, and judicial branches to prevent the concentration of power and safeguard liberty (Saunders, 2011). While Parliament, as the democratically elected legislature, is the supreme law-making body responsible for creating statute law, its role does not exist in a vacuum. The courts, constituting the judicial arm of government, are essential for interpreting and applying these statutes, resolving legal disputes, and developing the body of common law.
This essay will explain the distinct and complementary roles of Parliament and the courts as the primary law-making institutions in Australia. It will begin by examining the function of the Commonwealth and State Parliaments as the primary source of legislation, focusing on their constitutional powers and the legislative process. It will then analyse the role of the courts in interpreting statute law, developing the common law through the doctrine of precedent, and resolving disputes. Finally, it will compare the functions of these two institutions, highlighting their hierarchical yet interdependent relationship. It will be argued that while Parliament holds legislative supremacy in its capacity to create and amend statute law, the judiciary’s power to interpret statutes and develop the common law makes it a significant, albeit secondary, source of law. The relationship is thus not merely a simple division of labour but a dynamic interaction involving dialogue and occasional tension, which is fundamental to the operation of Australia's legal system.
The Role of Parliament: The Sovereign Legislator
The primary role of Parliament in Australia is to create, amend, and repeal statute law. As the institution representing the will of the people through democratic elections, it is considered the supreme law-making authority. However, unlike the absolute sovereignty of the UK Parliament, parliamentary power in Australia is constrained by the federal framework established by the Australian Constitution (Gussen et al., 2020). This framework divides legislative power between the central Commonwealth Parliament and the parliaments of the six states.
Federal and State Parliamentary Powers
The Australian Constitution establishes a federal system by distributing legislative powers. Section 51 of the Constitution enumerates the ‘concurrent’ powers upon which the Commonwealth Parliament may legislate. These are areas of national significance, including taxation, defence, foreign affairs, corporations, and marriage. State parliaments may also legislate on these matters, but a critical provision, Section 109, resolves any conflict. It states that where a valid State law is inconsistent with a valid Commonwealth law, the Commonwealth law shall prevail, and the State law, to the extent of the inconsistency, shall be invalid (Gussen et al., 2020). The High Court’s interpretation of ‘inconsistency’ has been broad, encompassing not only direct contradiction but also situations where the Commonwealth has demonstrated an intention to ‘cover the field’, making its legislative scheme exhaustive on a particular subject, as seen in Clyde Engineering Co Ltd v Cowburn (1926) 38 CLR 466.
In addition to concurrent powers, Section 52 grants the Commonwealth Parliament ‘exclusive’ powers over matters such as the seat of government and the administration of the public service. All powers not enumerated in the Constitution, known as ‘residual’ powers, remain with the states (Cook et al., 2021). These are significant and cover broad areas of everyday life, including most criminal law, education, health services, and local government. This constitutional division of power means that Australia has nine major legislative bodies: the Commonwealth Parliament, six state parliaments, and two territory legislative assemblies, each supreme within its constitutionally defined sphere of competence.
The Legislative Process
The process of creating statute law, or legislation, is a rigorous and public one, designed to ensure scrutiny and debate. A proposed law, known as a Bill, must pass through both houses of Parliament (except in Queensland, which is unicameral) before it can become an Act of Parliament (Harris, 2020). The process for a Commonwealth Bill typically begins in the House of Representatives.
- Initiation and Drafting: A Bill originates from various sources, such as government policy, election promises, or public demand. It is professionally drafted by the Office of Parliamentary Counsel to ensure it is legally effective and coherent with existing laws.
- First Reading: The Bill is formally introduced to the House. Its short title is read out, and copies are distributed to members. There is no debate at this stage.
- Second Reading: This is the most crucial stage. The relevant Minister delivers a second reading speech, explaining the Bill's purpose, principles, and general policy objectives. A debate then follows where members can speak on the merits of the Bill as a whole. A vote is taken at the end of this stage. If the vote is passed, the house agrees to the Bill ‘in principle’.
- Committee Stage (Consideration in Detail): The House resolves into a committee to examine the Bill in detail, clause by clause. This allows for close scrutiny, and members can propose amendments. In modern practice, this stage is often bypassed for non-controversial bills (Harris, 2020).
- Third Reading: This stage is typically a formality. The Bill, including any amendments from the committee stage, is put to a final vote. No further debate is usually permitted.
Once a Bill has passed the first house, it is transmitted to the second house (the Senate at the federal level) and undergoes the same process. The Senate has a powerful role as a ‘house of review’ and can amend or reject Bills passed by the House of Representatives. If the Senate amends a Bill, it must be returned to the lower house for approval of the amendments.
- Royal Assent: After a Bill has been passed by both houses in identical form, it is presented to the Governor-General (for Commonwealth legislation) or the relevant State Governor for Royal Assent. This is the formal act of giving a Bill the force of law, and by convention, it is never refused. The Bill then becomes an Act of Parliament and commences either on the date of assent or on a later date specified in the Act itself (Cook et al., 2021).
Through this structured process, Parliament creates prospective laws that apply to the community at large, setting out rules, rights, and obligations in advance.
The Role of the Courts: Interpretation and Adjudication
While Parliament creates law, the judiciary gives it practical meaning and application. The courts are reactive institutions that resolve specific disputes brought before them. In performing this function, they exercise two key law-making capacities: the interpretation of legislation and the development of the common law through the doctrine of precedent.
Interpreting Legislation
Statutes are drafted in general terms and cannot possibly foresee every specific factual scenario to which they might apply. Consequently, the judiciary’s most frequent and important function is statutory interpretation: determining the meaning and legal effect of the words in an Act of Parliament (Corones, 2019). The traditional common law approaches—the literal, golden, and mischief rules—have been largely superseded in Australia by a statutory purposive approach.
Section 15AA of the Commonwealth Acts Interpretation Act 1901 (Cth) mandates that the interpretation that would best achieve the purpose or object of the Act is to be preferred to any other interpretation. This requires judges to look beyond the mere text and consider the underlying intention of Parliament. Furthermore, Section 15AB of the same Act permits courts to refer to extrinsic materials—such as explanatory memoranda, second reading speeches, and law reform commission reports—to determine the meaning of a provision, either to confirm its ordinary meaning or to resolve ambiguity.
The High Court case of Project Blue Sky Inc v Australian Broadcasting Authority (1998) 194 CLR 355 provides a key illustration of the modern approach. The court had to determine whether a breach of a statutory requirement that a broadcasting standard be "consistent with… Australia's international obligations" rendered the standard invalid. Instead of applying a rigid rule, the Court held that the legal effect of a breach depends on the purpose of the legislation. It concluded that Parliament did not intend for a breach of this particular requirement to invalidate the standard, thus preserving the regulatory scheme. This decision demonstrates that interpretation is not a mechanical exercise but a process of judgment based on discerning legislative purpose, giving the courts significant influence over the practical operation of a statute.
Developing the Common Law
The second major law-making function of the courts is the creation and refinement of the common law, or ‘judge-made law’. The common law comprises legal principles derived from the accumulated decisions of judges in individual cases over centuries (Gussen et al., 2020). This system operates through the doctrine of precedent, or stare decisis, which means ‘to stand by things decided’. Under this doctrine, a court is bound to follow the legal principles established in the decisions of higher courts within the same judicial hierarchy.
The binding element of a previous decision is its ratio decidendi—the reason or legal principle upon which the decision was based. Other judicial statements made ‘by the way’, known as obiter dicta, are not binding but may be persuasive in later cases. This hierarchical system ensures consistency, predictability, and fairness in the law.
While precedent promotes stability, the common law is not static. Higher courts, particularly the High Court of Australia, can adapt the law to meet changing social values and conditions. A landmark example is Mabo v Queensland (No 2) (1992) 175 CLR 1. In this case, the High Court rejected the long-standing legal fiction of terra nullius (land belonging to no one) and recognised for the first time the existence of native title at common law. This decision did not involve interpreting a statute; rather, it created a new legal principle by overturning a previous, unjust precedent, demonstrating the judiciary's capacity to make law in areas where Parliament has not legislated. Similarly, the entire law of negligence, governing civil liability for careless acts, is a product of judicial development, evolving from foundational cases like Donoghue v Stevenson [1932] AC 562 to adapt to complex modern circumstances. However, this power is constrained; courts can only make law to resolve the specific dispute before them and cannot create broad policy-based schemes in the way Parliament can.
Comparing Law-Making Roles
The relationship between Parliament and the courts is best understood as a partnership in which each institution has a distinct but interconnected role. While both make law, they do so in fundamentally different ways and are subject to different forms of accountability.
Parliament's law-making power is proactive and prospective. It can initiate legislation on any subject within its constitutional power, conducting inquiries and consulting extensively to formulate broad policies that apply to future conduct. Its authority derives from the democratic process; its members are directly accountable to the electorate through regular elections. In contrast, the courts are reactive and largely retrospective. They cannot initiate cases and must wait for a dispute to be brought before them. Their decisions apply to the specific parties and facts of the case, and while the legal principle may become a precedent for the future, its primary focus is on resolving a past event (Cook et al., 2021). Judicial accountability is not to the electorate but to the law and the Constitution, secured by the principle of judicial independence.
Crucially, there is a clear hierarchy. Parliamentary-made statute law is superior to judge-made common law. Parliament can abrogate or modify any common law principle by passing legislation (Saunders, 2011). For instance, after the High Court's decision in Mabo, the Commonwealth Parliament passed the Native Title Act 1993 (Cth) to codify and regulate the principles established by the court. Furthermore, if Parliament believes a court has misinterpreted its intentions in a statute, it can amend the legislation to clarify its meaning, effectively overriding the judicial interpretation. This legislative response showcases the "dialogue" between the two institutions, where judge-made law can prompt parliamentary action and vice versa.
The courts, however, hold a check on parliamentary power. Through statutory interpretation, they determine the practical limits and effect of legislation. More profoundly, under the Australian Constitution, the High Court has the power of judicial review, allowing it to declare legislation invalid if it is found to be unconstitutional—that is, if Parliament has acted beyond its designated powers. This ultimate judicial check ensures that even Parliament is subject to the rule of law.
Table of Comparison: Parliament vs. Courts
| Feature | Parliament | Courts | | ———————- | —————————————————————————————– | ——————————————————————————————————— | | Source of Power | The Australian Constitution and the democratic mandate from the people via elections. | The Australian Constitution and enabling legislation; judges are appointed, not elected. | | Primary Function | To make, amend, and repeal laws for the peace, order, and good government of the community. | To adjudicate disputes by applying and interpreting the law; to develop the common law. | | Method of Law-Making | Proactive and prospective. Creates broad rules (statutes) for general future application. | Reactive and retrospective. Resolves specific past disputes, creating principles (precedent) case by case. | | Scope of Power | Can legislate on any subject within its constitutional power. Engages in broad policy-making. | Limited to the issues and facts of the case before it. Cannot initiate action or make broad policy. | | Source of Law | Statute Law (Acts of Parliament). | Common Law (judge-made law). | | Accountability | Directly accountable to the electorate through periodic elections. | Independent of government; accountable to the law and the Constitution. Can be removed for misbehaviour. | | Relationship | Supreme law-maker. Can override (abrogate) common law principles with statute. | Subordinate to statute but can interpret legislation and declare it unconstitutional (judicial review). |
Conclusion
In conclusion, the Australian legal system relies on a sophisticated and balanced interplay between Parliament and the courts to create and administer the law. Parliament, as the democratically elected legislature, is rightly positioned as the primary and sovereign law-making body. Operating within the confines of the Constitution, the Commonwealth and State Parliaments create prospective and policy-driven statute law through a detailed public process. They are the engine of legal reform and the ultimate source of legal authority.
However, the role of the courts is far more than simply applying the laws handed down by Parliament. Through the essential function of statutory interpretation, the judiciary breathes life into legislation, determining its practical scope and effect. In doing so, judges can significantly shape the law, sometimes in ways Parliament may not have foreseen. Moreover, through the doctrine of precedent, the courts continue to build and refine the vast body of the common law, adapting it to contemporary needs and values. This makes the judiciary a secondary, yet vital, source of law in its own right. The relationship is therefore symbiotic: statutes provide the framework, but case law provides the detailed application and development. While Parliament holds supremacy and can override judicial decisions through legislation, the courts hold the ultimate power of constitutional review, ensuring that Parliament itself remains subject to the rule of law. This dynamic equilibrium between the legislature and the judiciary is a cornerstone of Australian democracy.
References
Cook, C., Creyke, R., Geddes, R., Hamer, D. and Taylor, T. (2021) Laying Down the Law. 11th edn. LexisNexis Butterworths.
Corones, S. (2019) The Australian Constitution: A Contextual Approach. Thomson Reuters.
Gussen, B., Macpherson, L., Clark, E., and O'Brien, D. (2020) Legal a-z. CCH Australia.
Harris, I. C. (ed.) (2020) House of Representatives Practice. 7th edn. Department of the House of Representatives.
Saunders, C. (2011) The Constitution of Australia: A Contextual Analysis. Hart Publishing.
Cases
Clyde Engineering Co Ltd v Cowburn (1926) 38 CLR 466.
Donoghue v Stevenson [1932] AC 562.
Mabo v Queensland (No 2) (1992) 175 CLR 1.
Project Blue Sky Inc v Australian Broadcasting Authority (1998) 194 CLR 355.
Legislation
Acts Interpretation Act 1901 (Cth).
Australian Constitution.
Native Title Act 1993 (Cth).
