The Registry is responsible for providing administrative and judicial support to the Court, including managing its finances, personnel, and records, as well as facilitating communication between the Court and other stakeholders.

The Registrar is the head of the Registry and is responsible for its overall administration and management.

The Registry performs a wide range of functions, including managing the Court's finances and personnel, maintaining its records and archives, facilitating communication between the Court and other stakeholders, and providing legal advice to the Court.

The Registry interacts with other organs of the ICC by providing administrative and judicial support to the Court, working closely with the Prosecutor's Office to investigate and prosecute cases, and assisting the Chambers in conducting trials and issuing judgments.

The Registry plays a crucial role in the admission of evidence in ICC proceedings by deciding which evidence is admissible in court, collecting and preserving evidence, presenting evidence to the Court, and ensuring that evidence is handled in a fair and impartial manner.

The Registry contributes to the protection of victims and witnesses in ICC proceedings by providing them with legal and psychological support, ensuring their safety and security, and facilitating their participation in court proceedings.

The Registry plays a role in the enforcement of ICC sentences by monitoring the implementation of sentences, cooperating with national authorities to enforce sentences, and providing support to victims during the enforcement of sentences.

The Registry contributes to the outreach and public information activities of the ICC by organizing events and workshops to raise awareness about the Court, producing and disseminating information materials about the Court, and facilitating media access to the Court.

The Registry plays a crucial role in the budget and financial management of the ICC by preparing the Court's budget, managing the Court's financial resources, and auditing the Court's financial statements.

The Registry contributes to the development of international criminal law by providing legal advice to the Court on matters of international criminal law, conducting research and analysis on international criminal law issues, and organizing conferences and workshops on international criminal law.

The Registry plays a role in the selection and appointment of ICC judges by preparing a list of candidates for judges, conducting background checks on candidates, and making recommendations to the Assembly of States Parties on the appointment of judges.

The Registry contributes to the cooperation between the ICC and national authorities by facilitating the execution of arrest warrants and the transfer of suspects to the ICC, providing assistance to national authorities in the investigation and prosecution of international crimes, and promoting cooperation between the ICC and national authorities in the enforcement of sentences.

The Registry plays a crucial role in the management of the ICC's archives by collecting and preserving the Court's records and archives, ensuring the proper storage and security of the archives, and providing access to the archives to authorized personnel.

The Registry contributes to the transparency and accountability of the ICC by publishing the Court's decisions and judgments, providing information about the Court's activities to the public, and facilitating the participation of victims and witnesses in court proceedings.

The Registry plays a role in the development of the ICC's rules of procedure and evidence by preparing draft rules for consideration by the Court, conducting consultations with stakeholders on the proposed rules, and submitting the final draft rules to the Court for adoption.