lexiara

10.

'functional specification': the specification which defines, in the field of telecommunications, the application of one or more open system interconnection standards in support of a specific requirement for communication between information technology systems (standards recommended by such organizations as the 'Comité international télégraphique et téléphonique' (CCITT) or the CEPT);

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Source: EUR-Lex (Cellar) · retrieved 2026-10-31 · Text as adopted (Official Journal); later amendments are not incorporated in this text.