; (B) prevent the release of trade secrets or commercial information that is privileged or confidential, unless the disclosure of such information is required pursuant to section 13104 of title 5, United States Code; or (C) prevent the release of information, other than information required to be reported under section 13104 of title 5, United States Code, that, in the opinion of the agency, poses an identifiable risk to the safety of an individual, such as a street address, the name of a minor, or a brokerage account number. (g) Records predating establishment of the database (1) Search for older information Not later than 18 months after the publication of guidance under subsection (b), each agency shall complete a search reasonably calculated to find covered ethics records that were created during the 9-year period preceding the date of enactment of this Act. (2) Included information and certification Each search carried out pursuant to paragraph (1) shall include all materials in the possession of the ethics office of an agency or readily accessible materials in any other office within the agency that the designated agency ethics official certifies in writing is the most likely office to possess covered ethics records. (3) Exclusion from search In carrying out this subsection, each agency shall exclude information described in subsection (a)(3)(B) from the search carried out pursuant to paragraph (1). (4) Report Not later than 30 days after the completion of the search carried out pursuant to paragraph (1), each designated agency ethics official shall provide the Director of the Office of Government Ethics with a report that describes— (A) the scope of the search and steps undertaken to identify information; (B) a copy of the certification required under paragraph (2); (C) the best estimate as to the completeness of the collection of information provided to the Director of the Office of Government Ethics