Question juridique clé
Whether the AI office could reconsidération and suppress the disability pension from 1 September 2004.
Solution extraite
The reconsidération was justified, but the pension suppression was not; the insured remained entitled to a quarter pension.
Motifs extraits
The cantonal court correctly appreciated the evidence, preferring the COPAI observations on work capacity, and the federal court found no manifest error. On the income comparison, the court was free to make its own assessment because the administration had not explained its 15% deduction.