; (iv) whether the disclosure of the information would assist Congress or the public in understanding the interpretation of the Federal Government of a provision of law, including Federal regulations, Presidential directives, statutes, case law, and the Constitution of the United States; or (v) whether or not disclosure of the information would bring about any other significant benefit, including an increase in public awareness or understanding of Government activities or an enhancement of Government efficiency. (4) Written justification for classification (A) Original classification Each agency official who makes a decision to classify information not previously classified shall, at the time of the classification decision— (i) identify himself or herself; and (ii) provide in writing a detailed justification of that decision. (B) Derivative classification In any case in which an agency official or contractor employee classifies a document on the basis of information previously classified that is included or referenced in the document, the official or employee, as the case may be, shall— (i) identify himself or herself in that document; and (ii) use a concise notation, or similar means, to document the basis for that decision. (5) Classification prohibitions and limitations (A) In general In no case shall information be classified, continue to be maintained as classified, or fail to be declassified in order— (i) to conceal violations of law, inefficiency, or administrative error; (ii) to prevent embarrassment to a person, organization, or agency; (iii) to restrain competition