How is a subpoena primarily used?

A subpoena is primarily used to compel testimony or the production of evidence from witnesses in legal proceedings. This legal document is issued by a court or an authoritative body and requires individuals to appear in court or provide documents relevant to a case. The ability to command attendance or secure necessary evidence is crucial for the fair administration of justice, ensuring that all relevant information is available to the parties involved in litigation.

The concept of compelling testimony or evidence forms the basis of how subpoenas function within the legal framework. They are essential tools in the discovery process, allowing attorneys to gather information that may support their case or challenge opposing arguments. This ability to compel individuals to testify or produce documents directly correlates with the pursuit of truth in legal matters, enabling a more informed and equitable judicial process.

The other options provided do not accurately characterize the primary function of a subpoena. Assessing penalties for regulatory violations relates more to enforcement actions by regulatory bodies rather than a legal document's role in gathering evidence or testimony. Limiting entry to properties and facilities may pertain to legal restrictions or orders but does not capture the essence of what a subpoena is designed for. Determining court jurisdiction involves understanding the authority of a court over particular cases, which is a separate legal concept that does not involve the