When information is filed in SEDI format, the identity of the SEDI filer or the authority of the filing agent shall be authenticated by
(a) the use of the SEDI filer’s username and password by the SEDI filer;
(b) the use of the SEDI filer’s access key by the filing agent; or
(c) the use of the SEDI filer’s username and password and SEDI filer’s access key by the SEDI filer when first linking to the insider profile created by a filing agent.