; (B) avoiding unnecessary or unwarranted administrative effort and expense on the part of the Postal Service; and (C) protecting the confidentiality of information that is commercially sensitive or is exempt from public disclosure under section 552(b) of title 5. (2) Revised requirements The Commission may, on its own motion or on request of any interested party, initiate proceedings to improve the quality, accuracy, or completeness of Postal Service data required by the Commission if— (A) the attribution of costs or revenues to property or services under this chapter has become significantly inaccurate or can be significantly improved; (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