PBGC will make available for public inspection in an electronic format without formal request—

(a) Information published in the Federal Register. Federal Register documents published by PBGC, and Federal Register indexes;

(b) Information in PBGC publications. Informational material, such as press releases, pamphlets, and other material ordinarily made available to the public without cost as part of a public information program;

(c) Rulemaking proceedings. All papers and documents made a part of the official record in administrative proceedings conducted by PBGC in connection with the issuance, amendment, or revocation of rules and regulations or determinations having general applicability or legal effect with respect to members of the public or a class thereof;

(d) Other agency proceedings, policies, staff manuals and instructions, and records. Except to the extent that deletion of identifying details is required to prevent a clearly unwarranted invasion of personal privacy (in which case PBGC will explain in writing the justification for the deletion)—

(1) Adjudication proceedings. Final opinions, orders, and (except to the extent that an exemption provided by FOIA must be asserted in the public interest to prevent a clearly unwarranted invasion of personal privacy or violation of law or to ensure the proper discharge of the functions of PBGC) other papers and documents made a part of the official record in adjudication proceedings conducted by PBGC;

(2) Policy statements and interpretations. Statements of policy and interpretations affecting a member of the public which have been adopted by PBGC and which have not been published in the Federal Register;

(3) Staff manuals and instructions. Administrative staff manuals and instructions to staff issued by PBGC that affect any member of the public;

(4) Frequently requested records. Records that have been released under section 552(a)(3) of FOIA and have been the subject of three or more disclosure requests; and

(5) Other records. Records that have been released under section 552(a)(3) of FOIA and that PBGC determines, because of the nature of the records' subject matter, have become or are likely to become the subject of subsequent disclosure requests for substantially the same records; and

(e) Indexes to certain records. Current indexes (updated at least quarterly) identifying materials described in section 552(a)(2) of FOIA and paragraph (d) of this section.