Board Thread:General Discussion/@comment-24518534-20140207202148/@comment-26420452-20140208192852

Actually, the SRDI has data on all Bankai, but Ikkaku had requested them to keep it a secret. I think part of keeping the secret is not putting him under the Gentei Reiin.

Also, Yumichika had a communication device but didn't ask for the limit's removal for Ikkaku; rather a funeral. The one to ask for the removal of the Gentei Reiin was Matsumoto.