The ECB may carry out electronic tender procedures in line with the general requirements for electronic procurement set out in Article 22 of Directive 2014/24/EU in conjunction with Annex IV thereto. In such cases, the contract notice shall specify in particular the formal requirements to be observed by the candidates or tenderers and how to access the electronic platform. The ECB may determine that it will accept only electronic applications and tenders unless there are technical reasons relating to equal access, operability, or security which make this impracticable.