51.   The Clinton administration plans to tighten restrictions on such fishing because, it says, the pollock and cod are essential food for an endangered species of sea lions.

52.   The business is becoming increasingly competitive, though, after the government recently tightened restrictions on opening large out-of-town stores.

53.   The central bank tightened restrictions on foreign investment to prevent portfolio investment entering the country disguised as direct investment.

54.   The European Union proposed new rules that would tighten restrictions on foreign TV programming in Europe.

55.   The Europeans say the Americans are asking them to tighten existing restrictions on aiding Iran in developing weapons or missiles.

56.   The efforts to tighten restrictions on tobacco proved to be a politically popular issue during the presidential campaign last year.

57.   The Helms measure also tightens travel restrictions from the island, denying visas to anyone who buys or sells property that the Castro government has confiscated.

58.   The Helms measure also tightens travel restrictions from the island, denying visas to anyone who traffics in property that the Castro government has confiscated.

59.   The Legislature has resisted following the lead of Congress and other states that have tightened gift restrictions.

60.   The new law also tightens restrictions on travel to the United States from the island and directs the president to veto Cuban participation in international lending institutions.