4.
Where, at the latest three years after closure of the operational programme, it is established that an operation has generated revenue that has not been taken into account under paragraphs 2 and 3, such revenue shall be refunded to the general budget of the European Union in proportion to the contribution from the Funds.
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Source: EUR-Lex (Cellar) · retrieved 2026-11-01 · Text as adopted (Official Journal); later amendments are not incorporated in this text.