(b) The Appeals Board may refer certain appeals to another PBGC department or to Appeals Board staff to provide a response to the appellant. The response from another PBGC department or Board staff shall be in writing and address the matters raised in the appeal. The response may be in the form of an explanation or corrected benefit determination. In either case, the appellant will have 45 calendar-days from the date of the response to file a written request for review by the Appeals Board. If a written request for review is not filed with the Appeals Board within the 45-calendar-day period the determination shall become effective pursuant to
§ 4003.22(a).
(1) Appeals that may be referred to another PBGC department or to the Board staff include those that -
(i) Request an explanation of the initial determination being appealed;
(ii) Dispute specific data used in the determination, such as date of hire, date of retirement, date of termination of employment, length of service, compensation, marital status and form of benefit elected; or
(iii) Request an explanation of the limits on benefits payable by PBGC under part 4022, subpart B, such as the maximum guaranteeable benefit and phase-in of the PBGC guarantee.