The terms Building Official, Mechanical Official, and Fire Code Official as used in this code, the IBC, IMC, IECC, IRC, and IEBC shall mean the Building Code Official whom the Director of the Department shall designate. The term Fire Code Official shall mean the person as referenced under Prince George's County Code, Subtitle 4, and Section 4-108. Where the name of the jurisdiction is to be indicated in any section of the IBC, IMC, IECC, IRC, and IEBC the name to be substituted therein shall be "Prince George's County, Maryland."