H.R.2143: To amend the Internal Revenue Code of 1986 to allow the Secretary of the Treasury to not impose a penalty for failure to disclose reportable transactions when there is reasonable cause for such failure, to modify such penalty, and for other purposes.

Amends the Internal Revenue Code to: (1) allow a waiver of the penalty for failure to disclose reportable transactions (i.e., transactions which have a potential for tax avoidance or evasion) if such failure is due to reasonable cause and not due to willful neglect; (2) revise the amount of the penalty for such failure; and (3) limit the imposition of such penalty to the taxpayer (currently, any person). Reaffirms the authority of the...

(Source: Library of Congress)