The Good Samaritan law reference article from the English Wikipedia on 24-Jul-2004
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Good Samaritan law

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Good Samaritan laws are laws aimed at protecting those who choose to aid others who are injured or ill in the United States. Law of other countries may be fairly different.

Though the details of Good Samaritan laws in various jurisdictions vary, some commonalities are nearly universal:

The consular authorities of some foreign countries advise their citizens not to attempt to rescue accident victims in the United States, and to restrict themselves to warning emergency services, so as to avoid possible litigation.[1]