MEDICARE PART A Credit Balance Reporting Guidelines Manual Rev. 10/2009 2 Credit Balance Reporting Guidelines Reporting Requirements QUARTER-ENDING REPORTING A credit balance report should be submitted to Medicare within 30 days after the close of each calendar quarter.
Dulles, Virginia. Dulles is an unincorporated area located in Loudoun County, Virginia, which is part of the Washington metropolitan area. The headquarters of Orbital ATK, GeoEye, and ODIN technologies and the former headquarters of MCI Inc. and AOL are located in Dulles.
Operated by the Metropolitan Washington Airports Authority, Dulles Airport occupies 13,000 acres (52.6 km2) straddling the Loudoun-Fairfax line. Most of the airport is in the unincorporated community of Dulles, in Loudoun County, with a small portion in the unincorporated community of Chantilly in Fairfax County.