Who is Responsible for Marking CUI?According toDoDI 5200.48 (Controlled Unclassified Information (CUI)), the responsibility for marking CUI falls on theauthorized holder of the information.
* Definition of an Authorized Holder
* PerDoDI 5200.48, Section 3.4, anauthorized holderis anyone who has beengranted accessto CUI and is responsible for handling, safeguarding, and marking it according toDoD CUI policy.
* The authorized holder may be:
* ADoD employee
* Acontractorhandling CUI
* Anyorganization or individual authorizedto access and manage CUI
* DoD Guidance on CUI Marking Responsibilities
* DoDI 5200.48, Section 4.2:
* The individual creating or handling CUImust apply the appropriate markings as per the DoD CUI Registry guidelines.
* DoDI 5200.48, Section 5.2:
* Themarking responsibility is NOT limited to a specific positionlike an Information Disclosure Official or a high-level DoD office.
* Instead, it is theresponsibility of the person or entity generating, handling, or disseminatingthe CUI.
* Why the Other Answer Choices Are Incorrect:
* (A) DoD OUSD (Office of the Under Secretary of Defense):
* The OUSD plays apolicy-setting rolebut doesnot directly mark CUI.
* (C) Information Disclosure Official:
* This role is responsible forpublic release of information, but marking CUI is the duty of theauthorized holdermanaging the data.
* (D) Presidential authorized Original Classification Authority (OCA):
* OCAs classifynational security information (Confidential, Secret, Top Secret), not CUI, which isnot classified information.
Step-by-Step Breakdown:Final Validation from DoDI 5200.48:PerDoDI 5200.48, authorized holders are explicitly responsible for marking CUI, making this the correct answer.