3.1. Binding effect of requests – no reformatio in peius
3.1.2 Reformatio in peius and devolutive effect of appeal
In T 149/02 the board stated that the two general principles of procedure – prohibition of reformatio in peius and the devolutive effect of the appeal, which conferred on the board the power to consider its subject-matter – were complementary and had to be implemented in such a way that they did not exclude each other.