Plain Language text is not available for this NOTAM. The traditional NOTAM text is given below:

FDC 2/5598 FDC PART 1 OF 2 ... SPECIAL NOTICE ... PROHIBITION OF VISUAL FLIGHT RULES (VFR) OPERATIONS FOR STATE DEPARTMENT DESIGNATED SPECIAL INTEREST FLIGHTS EFFECTIVE IMMEDIATELY UNTIL FURTHER NOTICE. IN ADDITION TO THE REQUIREMENTS PRESCRIBED IN 14 CFR PART 99, SECURITY CONTROL OF AIR TRAFFIC, THE FOLLOWING SPECIAL SECURITY REQUIREMENTS ARE IN EFFECT PURSUANT TO 14 CFR SECTION 99.7 SPECIAL SECURITY INSTRUCTIONS. VFR FLIGHT OPERATIONS ARE PROHIBITED IN UNITED STATES (U.S.) TERRITORIAL AIRSPACE FOR ANY AIRCRAFT REQUIRING AN FAA ROUTING AUTHORIZATION AS A STATE DEPARTMENT DESIGNATED SPECIAL INTEREST FLIGHT. STATE DEPARTMENT DESIGNATED SPECIAL INTEREST COUNTRIES ARE: CUBA, IRAN, NORTH KOREA, THE PEOPLES REPUBLIC OF CHINA, RUSSIA, SUDAN, AND SYRIA. A STATE DEPARTMENT DESIGNATED SPECIAL INTEREST FLIGHT IS ANY FLIGHT OPERATING IN U.S. TERRITORIAL AIRSPACE THAT MEETS ANY ONE OF THE FOLLOWING CONDITIONS: 1) AN AIRCRAFT REGISTERED IN A STATE DEPARTMENT DESIGNATED SPECIAL INTEREST COUNTRY; 2) A COMMERCIAL FLIGHT USING A CALL SIGN WITH AN INTERNATIONAL CIVIL AVIATION ORGANIZATION (ICAO) THREE-LETTER DESIGNATOR ASSIGNED TO A COMPANY IN A STATE DEPARTMENT DESIGNATED SPECIAL INTEREST COUNTRY; 3) A DIPLOMATIC FLIGHT FROM A STATE DEPARTMENT DESIGNATED SPECIAL END PART 1 OF 2 FDC 2/5598 FDC PART 2 OF 2 ... SPECIAL NOTICE ... INTEREST COUNTY. ALL STATE DEPARTMENT DESIGNATED SPECIAL INTEREST FLIGHTS MUST OPERATE ON FAA AUTHORIZED ROUTING. FAA ROUTING AUTHORIZATION IN U.S. TERRITORIAL AIRSPACE MAY BE GRANTED ONLY FOR INSTRUMENT FLIGHT RULES(IFR) OPERATIONS. TERRITORIAL AIRSPACE OF THE U.S. MEANS THE AIRSPACE OVER THE U.S., ITS TERRITORIES AND POSSESSIONS, AND THE AIRSPACE OVERLYING THE TERRITORIAL WATERS BETWEEN THE U.S. COAST AND TWELVE (12) NAUTICAL MILES FROM THE U.S. COAST. CONTACT THE FAA AT 202-267-8115 FOR INFORMATION CONCERNING FAA ROUTING AUTHORIZATION REQUIREMENTS FOR STATE DEPARTMENT DESIGNATED SPECIAL INTEREST FLIGHTS. END PART 2 OF 2