Questione giuridica chiave
Whether the pension revision under the transitional rules of the 6th IV revision was applicable.
Decisione estratta
Yes. The pension could be reviewed anew under the transitional provision because it had been granted for an unclear syndromal pain disorder and no exception under paragraph 4 applied.
Motivazione estratta
The case fell within lit. a Abs. 1 SchlBest. zur 6. IV-Revision, which permits a reassessment within three years without requiring a change under Art. 17 ATSG.