42According to Article 1(b)(i) of Regulation No 659/1999, without prejudice to Articles 144 and 172 of the Act of Accession, ‘existing aid’ means all aid which existed prior to the entry into force of the Treaty in the respective Member States, that is to say, aid schemes and individual aid which were put into effect before, and are still applicable after, the entry into force of the Treaty.
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