Taxpayer Privacy Protection Improvement Act of 1999

Taxpayer Privacy Protection Improvement Act of 1999 - Amends the Internal Revenue Code to move up the time by which the Secretary of the Treasury must notify a taxpayer of an unlawful inspection and disclosure of the taxpayer's return and return information. Changes such notification deadline from the time any person is criminally charged with unlawful inspection and disclosure to the time any person is referred by the Secretary to the Attorney General for criminal investigation involving such an offense.