Which of the following is a special category of information that carries its own markings?

The correct answer is the category that includes information related to international matters, which carries its own specific markings to denote its sensitivity and handling requirements. This special designation is important because international information often involves diplomatic or governmental concerns that necessitate additional protection and protocols. Such markings ensure that individuals who handle this information are aware of its significance and the implications of unauthorized disclosure.

In contrast, while health information, personal information, and local regulations may also be sensitive, they typically fall under broader classifications or standard regulations rather than possessing distinct markings of their own. Therefore, the unique status of international information highlights the importance of security and sensitivity in global communications and interactions.