[Code of Federal Regulations] [Title 5, Volume 3] [Revised as of January 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 5CFR1312.11] [Page 124] TITLE 5--ADMINISTRATIVE PERSONNEL CHAPTER III--OFFICE OF MANAGEMENT AND BUDGET PART 1312--CLASSIFICATION, DOWNGRADING, DECLASSIFICATION AND SAFEGUARDING OF NATIONAL SECURITY INFORMATION--Table of Contents Subpart A--Classification and Declassification of National Security Information Sec. 1312.11 Challenges to classifications. OMB employees are encouraged to familiarize themselves with the provisions of Executive Order 12958 and with OMB Manual Sections 1010, 1020, and 1030. Employees are also encouraged to question or to challenge those classifications they believe to be improper, unnecessary, or for an inappropriate time. Such questions or challenges may be addressed to the originator of the classification, unless the challenger desires to remain anonymous, in which case the question may be directed to the EOP Security Officer.