51.   The airlines normally use that restriction for discount fares during popular travel seasons.

52.   The bill would ease immigration restrictions for close relatives of U.S. residents and change the way some applications for residency are processed.

53.   The Clinton administration opposed the ban even though it would have allowed the president, with the approval of Congress, to waive restrictions for any country.

54.   The case could affect deed restrictions for homeowners statewide.

55.   The federal government announced Thursday tougher restrictions for building on wetlands within the New York City watershed.

56.   The Environmental Protection Agency proposes to lift discharge restrictions for some sewage treatment plants.

57.   The department said it would not oppose lifting the restrictions for personal computers and work stations.

58.   The incident prompted NASA and the Air Force to impose tougher storm restrictions for launches here and to look for improvements in measuring the threat of lightning.

59.   The federation removed export restrictions for July and August.

60.   The gadgets are smaller and lighter than ever, a good thing given the Draconian enforcement of size restrictions for hand-held luggage on planes.