Corporate and Individual Income Tax Systems Integration Act of 1990

[AI summary unavailable — showing source text] Corporate and Individual Income Tax Systems Integration Act of 1990 - Amends the Internal Revenue Code to allow a tax credit in the case of a recipient of a qualifying dividend or interest payment equal to the gross-up amount includable in the recipient's gross income. Requires amounts received as dividends or interest from a C corporation to include the gross-up amount. Describes the gross-up amount as the portion of taxes imposed on a C corporation which such corporation allocates to dividends and interest. Requires C corporations to include gross-up amounts for interest and dividend payments in their information returns.…