If information or correspondence mentioned in section 27(1) and held by the OEGW, or mentioned in section 28(1) and held by a public authority, is environmental information for the purposes of the Environmental Information Regulations 2004 (SI 2004/3391), it is held by the OEGW or (as the case may be) the public authority, for the purposes of the application of those Regulations to that information, in connection with confidential proceedings.