1.Competent authorities that use ESCB services shall contribute to the costs of developing and operating the respective ESCB service in accordance with a defined reimbursement framework, which is based on a cost allocation key, as further specified in the respective financial envelopes following the applicable reimbursement rules.
2.By derogation from paragraph 1, competent authorities that use the Centralised Securities Database (CSDB) and/or the Securities Holdings Statistics Database (SHSDB) shall not be required to contribute to the costs of developing and operating the CSDB and/or the SHSDB, as applicable, where those costs are incurred before 1 July 2023 for the SHSDB and before 1 January 2024 for the CSDB, respectively.