40All the Member States which submitted observations to the Court argued that a request for information by one Member State sent to the tax authorities of another Member State does not constitute an act giving rise to such an obligation. They rightly consider that, in tax inspection procedures, the investigation stage, during which information is collected and which includes the request for information by one tax authority to another, must be distinguished from the contentious stage, between the tax authorities and the taxpayer, which begins when the taxpayer is sent the proposed adjustment.
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