A bill to amend the Securities Exchange Act of 1934 to provide margin requirements in transactions involving the acquisition of securities of certain United States corporations by non-United States persons where such acquisition is financed by non-United States lenders.

Amends the Securities Exchange Act of 1934 to prohibit certain credit transactions for the acquisition of securities of U.S. corporations by either U.S. or non-U.S. persons where such a transaction is financed by either U.S. or non-U.S. lenders if: (1) such a transaction is or would be prohibited if it had been made or had otherwise occurred in a lender's office or other place of business in the United States; and (2) a statement is required to be filed under such Act in connection with the acquisition or carrying of such securities.

Applies the provisions of this Act to any purchase or carrying of securities on or after January 27, 1981, if the loan or extension of credit involved originated, or if the loan proceeds used to purchase or carry such securities were disbursed, on or after such date.