; (B) the quality of service data provided to the Commission for a report under this chapter has become significantly inaccurate or can be significantly improved; or (C) such revisions are, in the judgment of the Commission, otherwise necessitated by the public interest. (c) Audits The Inspector General shall regularly audit the data collection systems and procedures used in collecting information and preparing the report required under subsection (a). The results of any such audit shall be submitted to the Postal Service and the Postal Regulatory Commission. (d) Confidential information (1) In general If the Postal Service determines that any document or portion of a document, or other matter, which it provides to the Postal Regulatory Commission in a nonpublic annex under this section contains information described in section 410(c), or exempt from public disclosure under section 552(b) of title 5, the Postal Service shall, at the time of providing such matter to the Commission, notify the Commission of its determination, in writing, and describe with particularity the documents (or portions of documents) or other matter for which confidentiality is sought and the reasons therefor. (2) Treatment Any information or other matter described in paragraph (1) to which the Commission gains access under this section shall be subject to paragraphs (2) and (3) of section 504(g) in the same way as if the Commission had received notification with respect to such matter under section 504(g)(1). (e) Annual compliance determination (1) Opportunity for public comment Upon receiving a report required under subsection (a), the Postal Regulatory Commission shall promptly— (A) provide an opportunity for comment on such report by any interested party