32Accordingly, before making a finding as to the existence or not, in the circumstances of the case before it, of a substantial modification for the purposes of Article 30(4) of Regulation No 1260/1999, the referring court must, in particular, determine whether the contested modification has given rise to an undue advantage and/or whether it has affected the nature or implementation conditions of the operation.
Source: EUR-Lex, © European Union, 1998-2026. Reuse authorised under Decision 2011/833/EU.