3.
The Member States which apply the Schengen acquis in full and the Member States which do not yet apply the Schengen acquis in full but operate the EES shall introduce the EES at their internal borders with the Member States which do not yet apply the Schengen acquis in full and do not operate the EES.
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Source: EUR-Lex (Cellar) · retrieved 2026-11-14 · Text as adopted (Official Journal); later amendments are not incorporated in this text.