Recital 22
(22) The creation of an area in which the free movement of persons across internal borders is ensured is one of the main achievements of the Union. In an area without internal border control, it is necessary to have a common response to situations seriously affecting the public policy or internal security of that area, of parts thereof, or of one or more Member States, by allowing for the temporary reintroduction of internal border control in exceptional circumstances, but without jeopardising the principle of the free movement of persons. Given the impact that such measures of last resort may have on all persons having the right to move within the area without internal border control, the conditions and procedures for reintroducing such measures should be provided for, in order to ensure that they are exceptional and that the principle of proportionality is respected. The scope and duration of any temporary reintroduction of such measures should be restricted to the bare minimum needed to respond to a serious threat to public policy or internal security.
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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.