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Why must officials give adequate notice before making a decision that harms a person's rights or property?

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lampoon of Interstate Commerce Commission — Administrative law Cartoon depicting a uniformed Interstate Commerce Commission officer shining a large searchlight on U.S. railroad executive Edward Henry Harriman, who is struggling to carry a large load of packages and toy trains, some labeled “merger.”

In common-law systems, the requirement for officials to provide adequate notice before making a decision that affects a person’s rights or property is rooted in the doctrine of natural justice.1

This principle dictates that an individual should not be dealt with to their material disadvantage—such as being disqualified from office or suffering a loss of property—without being informed of the allegations against them and given a fair opportunity to defend themselves. Providing notice is a fundamental procedural safeguard that ensures fairness, prevents arbitrary government action, and allows the affected party to participate in the decision-making process.1

This requirement is a cornerstone of due process, which serves to protect individual rights against the exercise of government power. By ensuring that administrative procedures are characterized by openness and impartiality, such notice helps maintain the integrity of the legal system and protects citizens from biased or inconsistent treatment.213