In this chapter, the following terms have the meanings indicated. Terms Defined. “Department” means the Maryland Department of Health. “Person in interest” means: A person or governmental unit that is the subject of a public record, or a designee of the person or governmental unit; If the person has a legal disability, the parent or legal representative of that person; or As to requests for correction of certificates of death under Health-General Article, §5-310(d)(2), Annotated Code of Maryland, the spouse, adult child, parent, adult sibling, grandparent, or guardian of the person of the deceased at the time of the deceased's death.