What information must a legal hold notice contain to be legally defensible?

A legal hold notice (also called a litigation hold or preservation notice) instructs people to stop deleting and start preserving information that may be relevant to anticipated or pending litigation, investigations, or audits. Its purpose is to satisfy the duty to preserve evidence and to demonstrate, if challenged, that the organization acted in good faith. The notice itself is often the central proof that reasonable steps were taken.

While requirements vary by jurisdiction, a defensible notice generally communicates the following clearly enough that a non-lawyer can act on it.

Core Elements

• Clear identification of the matter. A plain-language statement that a legal hold is in effect and a brief description of the dispute or investigation (without disclosing privileged strategy).
• The duty to preserve. An unambiguous instruction to suspend routine deletion and to retain potentially relevant information, overriding normal retention schedules and auto-delete settings.
• Scope of information. The subjects, date ranges, custodians, and categories of material covered. Address both content and form: documents, email, messaging and chat, databases, voicemail, and metadata.
• Sources and systems. Where relevant data may live, including shared drives, cloud accounts, mobile devices, collaboration tools, and personal accounts used for work.
• Specific actions and prohibitions. What recipients must do, and what they must not do, such as deleting, altering, or moving files, or wiping devices.
• Acknowledgment and contact. A request to confirm receipt and understanding, plus a named contact for questions.

What Makes It Defensible

• Timeliness. Issued promptly once the duty to preserve is triggered, often before a lawsuit is formally filed.
• Distribution to the right people. Sent to all likely custodians and to IT or systems administrators who control automated deletion.
• Documentation. Records of who received the notice, when, and their acknowledgments.
• Reminders and updates. Periodic reissuance, scope adjustments as facts develop, and a formal release when the hold ends.

In US federal civil cases, preservation obligations connect to the Federal Rules of Civil Procedure, and courts may impose sanctions when relevant electronic information is lost through inadequate steps. State courts, regulators, and other countries apply their own standards, so confirm the rules that govern your matter.

Learn more in e-discovery.