This chapter concerns partiality objections raised in petition for review proceedings against members of the Enlarged Board themselves. For decisions of the Enlarged Board on the alleged breach of Art. 24 EPC in appeal proceedings, see chapter V.B.4.1. "Article 112a(2)(a) EPC – alleged breach of Article 24 EPC". As to the replacement of board members after a petition for review has been held allowable, see chapter V.B.3.13. "Effects of a successful petition for review".