According to § 79 Paragraph 1 of the Law No. 412/2005 Coll. registers or auxiliary registers of classified information in negotiation protocols and stores or sends classified information classified at the level Top Secret, Secret or Confidential provided in international relations. According to § 79 Paragraph 3 of the Law No. 412/2005 Coll. State authority, legal person according to Section 60b and the entrepreneur establishes and maintains a register of classified information referred to in paragraph 1 of the above-mentioned provision by them or provided to them. If the authority of the state, a legal person under Section 60b law No. 412/2005 Coll. or entrepreneur access to classified information of a foreign power, sends the Office a written request for consent to the establishment of a register, the details of which are specified in the § 30 Paragraph 1 of the Decree No. 275/2022 Coll. The establishment of a register of classified information shall be approved by the Office, which shall be authorised, prior to issuing the required consent, to carry out verification of the facts specified in the application for the establishment of a register and, where appropriate, of other facts and conditions relating to the establishment of a register. Requests for the establishment of a register of classified information should be addressed to the Department of Administrative Security of the NSA via a data box or to the NSA's address.

A specimen of the application for the establishment of a register of classified information can be found here.