Additional information.
Additional information. The PBGC may in any case require the submission of any additional information that it needs to make the determinations that it is required to make under this part or to pay benefits pursuant to section 4061 or 4022(c) of ERISA. The plan administrator must submit any information requested under this paragraph within 30 days after receiving the PBGC's written request (or such other period as may be specified in such written request).