At least three references from reference provider (RP) for the performance of comparable services (Post-Quantum Encryption Readiness) since January 1, 2023, (it is sufficient that the comparable services were also provided in the reference period in the specified reference project, e.g., a reference that began on January 1, 2022, and ended on February 1, 2023, would be sufficient). Only references to Post-Quantum Encryption Readiness projects are permitted. Each reference must be either completed or ongoing. In the case of an ongoing reference. specifications of the planned/contractual project duration and information on the current status must be included It is irrelevant whether the reference provider is a public or private company. For verification purposes, the reference details must include the contact details of a responsible person at the respective company, i.e., name, telephone number, and/or email address. Minimum requirements for each reference: 1. Since January 1, 2023 2. Completed and ongoing reference; if ongoing, specifications of the planned/contractual project duration and information on the current status of the reference project must be included 3. The respective reference must include Post-Quantum Encryption Readiness. Please use the relevant form "Appendix 01_Self-declarations and evidence".