Administrative law is a body of law that governs the activities of administrative agencies of government. The statement that it is recognized by its substance rather than its form highlights a crucial aspect of its purpose and application. While form (procedures, rules, structures) is indispensable, the ultimate value and recognition of administrative law lie in its substantive outcomes – ensuring justice, fairness, accountability, and the protection of public interest.

Form in Administrative Law: 'Form' refers to the procedural aspects, the legal framework, and the structural elements through which administrative power is exercised. This includes:

• Procedural Due Process: Rules regarding notice, hearing, evidence, and the right to appeal.
• Statutory Authority: The specific laws and regulations that empower administrative agencies.
• Organizational Structure: The hierarchy, jurisdiction, and composition of administrative bodies.
• Legal Instruments: The specific types of administrative actions, such as rule-making, adjudication, and licensing.

These formal requirements are vital. They provide predictability, transparency, and a mechanism for challenging arbitrary decisions. Adherence to form ensures that administrative actions are taken within legal bounds and that individuals are afforded fair treatment.

Substance in Administrative Law: 'Substance' refers to the actual content, impact, and underlying principles of administrative actions. This encompasses:

• Rationality and Reasonableness: Whether a decision is based on logical grounds and relevant evidence, not arbitrary or capricious.
• Fairness and Equity: Whether the decision treats individuals justly and without undue discrimination.
• Public Interest: Whether the administrative action genuinely serves the broader welfare of society.
• Proportionality: Whether the means employed are appropriate and not excessive in relation to the objective.
• Protection of Rights: Whether fundamental rights of individuals are respected and upheld.

Why Substance is Paramount: The recognition of administrative law by its substance rather than merely its form stems from its fundamental objectives. The purpose of administrative law is not just to ensure that agencies follow rules, but that they do so in a way that leads to just and legitimate outcomes. A decision might follow all procedural forms, but if it is arbitrary, discriminatory, or fails to serve the public interest, it would be considered substantively flawed.

• Preventing Abuse of Power: Administrative law primarily seeks to control the potential for abuse of power by the executive branch. This control is not merely procedural; it extends to ensuring that the content of decisions is lawful and reasonable.
• Judicial Review: Courts, in exercising judicial review of administrative actions, often look beyond mere procedural compliance. While procedural impropriety is a ground for challenge, courts also examine the substantive rationality and legality of decisions, ensuring they are not 'unreasonable' or 'ultra vires' (beyond power) in their effect.
• Achieving Public Policy Goals: Administrative agencies are created to implement public policies. The success of these policies is measured by their substantive impact on society, not just by the formal steps taken to enact them.

However, it is crucial to understand that form and substance are deeply intertwined. Good form (e.g., transparent procedures, reasoned decisions) is often a prerequisite for achieving substantive justice. Without proper procedures, it is difficult to ensure that substantive considerations are adequately addressed. Therefore, while the ultimate recognition of administrative law lies in its ability to ensure just and effective substantive outcomes, it relies heavily on robust formal mechanisms to achieve those ends. The ideal administrative system balances both, ensuring that the 'how' facilitates the 'what' in a manner that upholds the rule of law and serves the public good.