1. Introduction — Trust Cannot Be Transferred
Imagine a senior government official has been given the power — by Parliament — to grant licences for a particular industry. The Parliament gave this power to that specific official because of their expertise, their accountability, and their understanding of the subject. Now imagine that official simply handing this power to their junior assistant, or to a private contractor, without any legal authorisation to do so. The assistant then begins granting licences. Is that valid?
The answer is a firm no — and the reason lies in one of the oldest and most important maxims in administrative and constitutional law: Delegatus non potest delegare. A delegate cannot further delegate. The power that has been entrusted to a particular person or authority must be exercised by that person or authority — it cannot be passed on to someone else without explicit permission from the original grantor of that power.
This maxim is not a technical curiosity. It is a principle of fundamental importance in a democratic legal system. It exists to protect the integrity of the chain of accountability — to ensure that when Parliament or a legislature confers power on a particular authority, that authority actually exercises it rather than quietly handing it off to someone who was never authorised, never scrutinised, and never made accountable by the law. For law students, this maxim appears across administrative law, constitutional law, contract law, and even agency law. Understanding it thoroughly is essential.
2. Meaning and Origin of the Maxim
2.1 The Latin Phrase — Breaking It Down
The maxim is in Latin, as most foundational legal principles in the common law tradition are. Breaking it apart helps understand its meaning precisely. ‘Delegatus’ is derived from ‘delegare’ — meaning ‘to delegate’ or ‘to entrust.’ ‘Non potest’ means ‘cannot’ or ‘is not able to.’ ‘Delegare’ again means ‘to delegate.’ So the full phrase translates literally as: ‘One who has been delegated cannot (further) delegate.’
The maxim applies specifically to delegated power — power that has been entrusted by a superior authority (the principal, or the original grantor) to an inferior authority (the delegate). The delegate received a trust. The fundamental nature of a trust is personal — the person who receives it is chosen because of who they are, what they know, and what responsibilities they accept. That trust cannot simply be passed on.
2.2 Historical Origin
The maxim has roots in Roman law and was absorbed into the English common law tradition. In the context of public law and administrative law, it became particularly significant with the growth of delegated legislation — the practice of Parliament conferring rule-making powers on ministers, departments, and other bodies to fill in the details of legislative schemes. As delegated legislation grew, so did the concern about delegates further sub-delegating their powers without any parliamentary authorisation.
The maxim was influentially stated by the English courts in Vine v. National Dock Labour Board (1957) and has been applied consistently in both English and Indian courts ever since. In India, it has been applied extensively in constitutional cases challenging delegated legislation and administrative orders.
“The authority of an agent must be exercised by himself and he cannot delegate it to another unless expressly authorised by his principal to do so. An agent cannot appoint a sub-agent without authority.”
— Bowstead on Agency — The foundational agency law formulation of the principle
3. Rationale and Justification — Why Does This Rule Exist?
3.1 Accountability Must Follow Authority
In any democratic and rule-of-law based system, authority and accountability must travel together. When Parliament confers power on the Central Government, Parliament can hold that government accountable through parliamentary debates, questions, and votes of no confidence. When the Central Government confers rule-making power on a minister, the minister is accountable to Parliament and to the government. When the minister passes an order affecting a citizen’s rights, the citizen can challenge it in court.
If delegates could freely sub-delegate their powers, this chain of accountability would break. Power would be exercised by someone not authorised by law, not scrutinised by Parliament, not answerable to any constitutional mechanism. The maxim prevents this breakdown by insisting that power stays with the person to whom it was lawfully given.
3.2 Personal Trust and Expertise
A delegate is typically chosen because of specific expertise, qualifications, or institutional characteristics that make them suitable for the task. When Parliament gives the Reserve Bank of India the power to regulate the banking sector, it does so because the RBI has the expertise, the mandate, and the institutional capacity for that role. If the RBI could freely sub-delegate that power to a private consulting firm or to any officer it chose without statutory authority, the entire basis for the original delegation would be undermined.
3.3 Parliamentary Supremacy and the Rule of Law
Parliament is the supreme legislative authority in a constitutional democracy. When it delegates power to an executive body, it does so on specific terms — to specific persons, for specific purposes, with specific limitations. For those persons to then re-delegate the power to others is to rewrite the terms of the original delegation without Parliament’s consent. This violates parliamentary supremacy — the principle that only Parliament can determine how legislative power is distributed.
| The Core Principle in Three Lines: 1. Parliament (or a legislature) gives power to Authority A. 2. Authority A cannot give that power to Authority B unless Parliament expressly permits sub-delegation. 3. Any exercise of the power by Authority B (without authorisation) is void — as if the power was never exercised at all. |
4. Application in Administrative and Constitutional Law
4.1 Delegated Legislation — The Most Important Context
The maxim’s most important application in Indian law is in the field of delegated legislation. Parliament frequently enacts framework statutes — laws that establish the broad policy and structure — and then delegates the power to make detailed rules and regulations to the Central Government, ministries, or other bodies. These rules are called delegated or subordinate legislation.
The fundamental rule is: if Parliament delegates rule-making power to the Central Government, the Central Government must exercise that power itself. It cannot, without explicit statutory authority, further sub-delegate that rule-making power to a subordinate official or body. Any rules made by such an unauthorised sub-delegate are ultra vires — beyond the power — and void.
4.2 Distinction Between Delegation and Authorisation to Act
Here is a critical distinction that law students often miss. The maxim does not prevent a delegate from directing officers or subordinates to carry out ministerial or mechanical tasks in the implementation of a decision. The maxim prohibits the delegation of discretionary power — the actual judgment and decision-making authority. If a minister has been given the power to decide whether to grant a licence, they must make that decision personally. But they can direct a subordinate to process the application, gather information, and present a report — those are implementing functions, not the exercise of the delegated power itself.
The distinction is between: (a) exercising the power (deciding, judging, approving) — which cannot be sub-delegated; and (b) implementing the decision, processing paperwork, or carrying out routine administrative functions — which can be done by subordinates.
4.3 Express Authority to Sub-Delegate
The maxim is not an absolute rule without exceptions. It can be overridden by express statutory authority. If the statute that created the delegation expressly permits the delegate to further sub-delegate — that is, if Parliament itself authorised the sub-delegation — then the sub-delegation is perfectly valid. The question is always: did the original grant of power include authority to sub-delegate?
Indian statutes sometimes expressly permit sub-delegation. For example, a statute might say ‘the Central Government may delegate any of its powers under this Act to any officer or authority.’ Such a provision expressly authorises sub-delegation and takes the case outside the scope of the maxim’s prohibition. Courts look carefully at the statutory text to determine whether sub-delegation has been authorised.
| The Three Situations — Summary: Situation 1: Parliament gives power to Authority A, and is silent on sub-delegation. RULE: Authority A cannot sub-delegate (maxim applies). Situation 2: Parliament gives power to Authority A and expressly permits sub-delegation. RULE: Authority A CAN sub-delegate within the terms of the permission. Situation 3: Authority A makes a ministerial or mechanical task available to subordinates without delegating discretionary judgment. RULE: This is NOT a violation of the maxim — it is valid administration. |
5. Application in Contract and Agency Law
5.1 The Agency Law Context
In the law of agency, the maxim has an equally important role. An agent is appointed by a principal to act on their behalf. The agent is chosen because the principal trusts that specific person’s judgment, skill, or character. The fundamental rule is that an agent cannot appoint a sub-agent to carry out the agent’s duties without the principal’s consent.
Section 190 of the Indian Contract Act, 1872 directly codifies this principle. It provides that an agent cannot lawfully employ another to perform acts which the agent has expressly or impliedly undertaken to perform personally, unless the nature of the act performed requires the employment of a sub-agent. If an agent does appoint an unauthorised sub-agent, the agent is personally liable for the sub-agent’s acts and the principal is not bound by the sub-agent’s actions.
Section 190, Indian Contract Act, 1872: An agent cannot lawfully employ another to perform acts which he has expressly or impliedly undertaken to perform personally. An agent may, however, employ a sub-agent in cases where the ordinary custom of trade or the nature of the act to be done makes it necessary for an agent to employ a sub-agent. If an agent, without authority from the principal, employs a sub-agent, the agent is responsible to the principal for all acts of the sub-agent.
5.2 Implied Authority to Sub-Delegate
In agency law, sub-delegation may be impliedly authorized in certain situations. If the nature of the work ordinarily requires the employment of sub-agents — for example, a solicitor managing a complex litigation inevitably employs barristers, clerks, and experts — the appointment of sub-agents is implicitly authorized. Similarly, where trade custom or professional practice normally involves sub-agents, the principal is taken to have known and implicitly accepted this when appointing the agent.
5.3 Ratification
Even where a sub-agent was initially appointed without authority, the principal can ratify the appointment — accept it after the fact. Once ratified, the sub-agent is treated as if they had been properly authorised from the beginning. However, ratification must be of the whole act — the principal cannot ratify only the beneficial parts of an unauthorised sub-agent’s actions while repudiating the disadvantageous parts.
6. Exceptions and Qualifications to the Maxim
No legal maxim operates without exceptions, and delegatus non potest delegare is no different. Understanding the exceptions is as important as understanding the rule itself.
6.1 Express Statutory Authority
As discussed, the clearest exception is express statutory authorisation. If the statute granting the delegation explicitly permits sub-delegation, the maxim does not apply. This is the most important exception in public law contexts.
6.2 Implied Authorisation from Nature of Business
In both agency law and administrative law, the nature of the task may impliedly authorise sub-delegation. A Prime Minister who has been given broad executive authority cannot personally make every decision — the very structure of government implies that ministers will exercise powers on the executive’s behalf, and that departmental officials will exercise powers delegated by ministers. The existence of this implied authorisation is a question of statutory interpretation in each case.
6.3 Emergency and Necessity
In genuine emergencies — where the authorised delegate is unavailable and immediate action is necessary to prevent serious harm — courts have sometimes permitted a narrower sub-delegation that is strictly necessary to deal with the emergency. This exception is very narrow and confined to genuinely urgent situations where no other course was available.
6.4 Ministerial and Mechanical Acts
As discussed earlier, the maxim does not prohibit a delegate from directing subordinates to carry out the mechanical, administrative, and implementational aspects of the delegate’s functions. Only the discretionary core of the delegated power must be personally exercised. Routine paperwork, information gathering, report preparation, and similar administrative tasks can be handled by staff without violating the maxim.
What the Maxim Does NOT Do: The maxim does not require a minister to sign every piece of paper personally. It does not prevent a department from having officials carry out routine functions. It does not stop an agent from employing clerical help. It does not prevent statutory bodies from establishing internal committees to assist in decision-making. What it prevents is the actual transfer of the discretionary judgment and decision-making power to someone who has not been authorized to receive it.
7. The Maxim in Indian Constitutional Law
7.1 The Question of Sub-Delegation of Legislative Power
The Indian Constitution gives Parliament the power to legislate on subjects in the Union List and the Concurrent List. Parliament has delegated extensive rule-making powers to the executive through framework legislation. The question of how far such delegated legislative power can be further sub-delegated is a significant constitutional issue.
Indian courts have consistently applied the maxim to strike down rules or regulations made by bodies that were not the original recipient of the delegated legislative power. Where a statute gives rule-making power to the Central Government, a rule made by a subordinate officer without express authorisation in the statute is ultra vires and void.
7.2 The Essential Legislation Doctrine — A Related Principle
Closely related to the maxim is the doctrine that Parliament cannot abdicate its essential legislative functions. Even while delegating power, Parliament must lay down the policy, set the standards, and establish the framework. Parliament cannot simply hand over its legislative function entirely to the executive. The difference between permitted delegation (of details and implementation) and prohibited abdication (of the legislative function itself) has been worked out in a series of Indian Supreme Court cases.
7.3 Article 154 and State Administration
Article 154 of the Constitution provides that the executive power of the State shall be vested in the Governor and shall be exercised by him either directly or through officers subordinate to him. This is not a violation of delegatus non potest delegare because Article 154 itself expressly provides for exercise through subordinates. The sub-delegation to state officials is constitutionally authorised. This illustrates the first exception — express constitutional or statutory authority.
8. Landmark Cases — The Maxim in Indian and English Courts
| Harishankar Bagla v. State of Madhya Pradesh AIR 1954 SC 465 Facts: The Essential Supplies (Temporary Powers) Act, 1946 gave the Central Government power to make orders controlling the supply and distribution of essential goods. The Central Government made orders, and these orders in turn gave certain officers the power to issue further orders restricting movement of goods. The question was whether this constituted an invalid sub-delegation of legislative power. Held / Significance: The Supreme Court distinguished between essential legislative functions (which cannot be delegated) and subordinate legislative functions (which can be delegated within the framework Parliament establishes). The court held that where the statute provides the policy and the delegate merely fills in administrative details, the sub-delegation is valid. But where the sub-delegate is effectively making policy choices — the core legislative function — the sub-delegation is unconstitutional. This case established the Indian framework for testing whether sub-delegation of legislative power violates the maxim. |
| Barnard v. National Dock Labour Board (1953) 2 QB 18 — English Court of Appeal Facts: The National Dock Labour Board had been given statutory power to discipline dock workers, including the power to suspend them from employment. The Board delegated this disciplinary power to the Port Manager. The Port Manager suspended several workers. The workers challenged the suspensions on the ground that the Port Manager had no authority to exercise the disciplinary power conferred on the Board. Held / Significance: The Court of Appeal held that the Board’s disciplinary power was a statutory quasi-judicial power that had to be exercised by the Board itself. The Board could not delegate this power to the Port Manager. The suspensions were therefore void and of no legal effect. This English case was highly influential in the development of the principle that quasi-judicial powers cannot be sub-delegated, and has been extensively cited in Indian administrative law cases. |
| Vine v. National Dock Labour Board (1957) AC 488 — House of Lords Facts: Following the Barnard case, the same issue came before the House of Lords. The National Dock Labour Board had disciplinary powers under a statutory scheme. These powers were again exercised by a port employer’s disciplinary committee rather than by the Board itself. The question was whether this sub-delegation of disciplinary power was valid. Held / Significance: The House of Lords held that the statutory disciplinary power could only be exercised by the Board itself — not by a committee the Board established or approved. A person whose employment was terminated by an unauthorised exercise of the disciplinary power was entitled to treat the termination as void. Lord Somervell specifically invoked the maxim delegatus non potest delegare. This is the most authoritative English statement of the maxim and is regularly cited in Indian courts. |
| In Re Delhi Laws Act Case AIR 1951 SC 332 Facts: The Indian legislature had enacted laws extending existing Central Acts to the Delhi Territory, and had authorised the executive to modify those Acts when extending them. The question was whether this amounted to an impermissible sub-delegation of legislative power — was Parliament effectively handing its legislative function over to the executive? Held / Significance: The Supreme Court, by majority, held that Parliament can delegate legislative power to the executive to fill in details and apply legislation within a framework Parliament establishes. However, Parliament cannot abdicate its essential legislative function by giving the executive power to modify the very legislation Parliament had enacted without any guiding policy. This case remains a foundational authority on the limits of sub-delegation in the legislative context and the essential legislation doctrine — both closely related to the maxim under study. |
9. Relationship with Other Legal Doctrines
9.1 Ultra Vires Doctrine
The maxim is closely connected to the ultra vires doctrine — the principle that any act beyond the scope of granted authority is void. When a sub-delegate exercises a power that was not authorised to be sub-delegated, they act ultra vires. The act is void from the beginning, regardless of how many formalities were followed in performing it. A licence granted by an unauthorised sub-delegate is as if no licence was granted at all.
9.2 Doctrine of Excessive Delegation
The doctrine of excessive delegation holds that Parliament cannot delegate so much power to the executive that Parliament has effectively abdicated its legislative function. While the maxim is about sub-delegation (A delegating to B, then B to C), excessive delegation is about the initial delegation itself (Parliament giving too much to A). Both doctrines protect the constitutional principle that lawmaking authority must remain with the lawmaking body — it cannot be wholesale surrendered to the executive through open-ended delegation.
9.3 Natural Justice
Where a statutory authority has a duty to act quasi-judicially — hearing parties, considering evidence, and giving a reasoned decision — the maxim reinforces the requirements of natural justice. The decision must be made by the authority that heard the case. If an officer hears the case but another officer makes the decision, or if the authority delegates the hearing to a subordinate while reserving the decision, the principles of natural justice may be violated alongside the maxim. Both require that the authority who is responsible for the decision is personally engaged with it.
10. The Maxim in Modern Administrative Law — Continuing Relevance
In the era of the modern administrative state, where government decision-making is conducted through enormous bureaucratic structures with hierarchies of officials, committees, and delegated authorities, the maxim faces both practical challenges and continued relevance.
The practical challenge is obvious — it is impossible for ministers to personally decide every matter that falls within their statutory authority. The government of a country of 1.4 billion people cannot function if each minister must personally exercise every discretionary power given to them by law. Administrative law has responded to this challenge by developing a nuanced doctrine: the carve-out for ministerial decision-making under the Carltona principle (from the English case Carltona Ltd. v. Commissioner of Works, 1943), which holds that decisions made by departmental officials in a minister’s name are constitutionally treated as decisions of the minister, because the minister is responsible for the department’s acts.
The maxim remains vitally relevant in ensuring that: extraordinary powers (those affecting fundamental rights, imposing serious penalties, or involving significant public resources) are exercised by the specific authority Parliament intended; quasi-judicial decisions are made by the authority that conducted the hearing; and the transfer of discretionary judgment to unauthorised bodies is prevented. Courts in India continue to apply the maxim regularly in cases challenging administrative orders made by officials who lacked proper authority.
11. Conclusion — A Principle That Protects Democracy
Delegatus non potest delegare is, at its deepest level, a principle about democracy and accountability. In a democratic system, power ultimately flows from the people through their elected representatives in Parliament. Parliament distributes that power to the executive, to regulatory bodies, to courts, and to other authorities — always with limitations, always with conditions, always with accountability mechanisms attached.
When a delegate further sub-delegates without authorisation, they are not merely bending a procedural rule. They are disrupting the constitutional order — exercising power that was never given to them, without the accountability mechanisms that the original grant of power was designed to ensure. The citizen affected by that unauthorised exercise of power has no one to hold accountable — because the sub-delegate was never meant to have the power at all.
For law students, this maxim is a reminder that power in law is not simply factual — the ability to make decisions and coerce compliance. It is normative — the legal right and authority to act, granted by a specific source, exercisable only within defined conditions. Every exercise of public power must be traced back to a legitimate legal source. Where that tracing breaks down — where the power was passed to someone who was not authorised to receive it — the exercise is void, and the rule of law demands that it be treated as if it never happened.
