; and (ix) to provide appropriate notification directly to employers registered with the System of all changes made by the Secretary or the Commissioner related to allowed and prohibited documents, and use of the System. (C) Safeguards to the System (i) Requirement to develop The Secretary, in consultation with the Commissioner and other appropriate Federal and State agencies, shall develop policies and procedures to ensure protection of the privacy and security of personally identifiable information and identifiers contained in the records accessed or maintained by the System. The Secretary, in consultation with the Commissioner and other appropriate Federal and State agencies, shall develop and deploy appropriate privacy and security training for the Federal and State employees accessing the records under the System. (ii) Privacy audits The Secretary, acting through the Chief Privacy Officer of the Department, shall conduct regular privacy audits of the policies and procedures established under clause (i), including any collection, use, dissemination, and maintenance of personally identifiable information and any associated information technology systems, as well as scope of requests for this information. The Chief Privacy Officer shall review the results of the audits and recommend to the Secretary any changes necessary to improve the privacy protections of the program. (iii) Accuracy audits (I) In general Not later than November 30 of each year, the Inspector General of the Department of Homeland Security shall submit a report to the Secretary, with a copy to the President of the Senate and the Speaker of the House of Representatives, that sets forth the error rate of the System for the previous fiscal year and the assessments required to be submitted by the Secretary under subparagraphs (A) and (B) of paragraph (10). The report shall describe in detail the methodology employed for purposes of the report, and shall make recommendations for how error rates may be reduced. (II) Error rate defined In this