(a) The voluntary compliance initiative described in this article applies to any taxpayer who was not eligible to participate in the Internal Revenue Service’s Offshore Voluntary Compliance Initiative described in Revenue Procedure 2003–11, and during the period from January 1, 2004, to April 15, 2004, does both of the following:

(1) Files an amended tax return under this part for each taxable year for which the taxpayer has previously filed a tax return using an abusive tax avoidance transaction to underreport the taxpayer’s tax liability for that taxable year. Each amended return shall report all income from all sources, without regard to the abusive tax avoidance transaction.

(2) Except as provided in subdivision (b), pays in full all taxes and interest due.