Mr. Ehrenhalt said the Census Bureau survey did not exclude undocumented aliens and so-called underground or untaxed economic activity, at least theoretically.

The 1952 McCarran-Walter Act listed 33 grounds for excluding aliens.

Unchanged provisions in the law permit the authorities, in excluding aliens on political grounds, to withhold evidence "of a confidential nature."

The federal courts have consistently ruled that the argument that Section 861 excludes income of U.S. citizens and resident aliens from taxation is without legal merit.

The court concluded that Congress "possesses the plenary power to exclude aliens on whatever ground [it] deems fit."

He invoked another provision of the McCarran-Walter Act, which allows the use of secret material in proceedings to exclude aliens from the United States.

It has recommended dropping from the immigration laws the sections that exclude aliens because of their beliefs or writings.

No matter what manipulations we contrive - excluding or accepting aliens, ordering or imitating nature - there's no going back to Eden.

Several fact-checking organizations wrote that Wilson's views were inaccurate because HR 3200 expressly excludes undocumented aliens from receiving government-subsidized "affordability credits".

Federal welfare programs exclude illegal aliens.