qualified retirement plan

(1) a plan described in section 401(a) which includes a trust exempt from tax under section 501(a),

(2) an annuity plan described in section 403(a),

(3) an annuity contract described in section 403(b),

(4) an individual retirement account described in section 408(a), or

(5) an individual retirement annuity described in section 408(b).

(1) a plan described in section 401(a) which includes a trust exempt from tax under section 501(a),

(2) an annuity plan described in section 403(a),

(3) an annuity contract described in section 403(b),

(4) an individual retirement account described in section 408(a), or

(5) an individual retirement annuity described in section 408(b).

Such term includes any plan, contract, account, or annuity which, at any time, has been determined by the Secretary to be such a plan, contract, account, or annuity.

If the taxpayer establishes to the satisfaction of the Secretary that—

(1) the shortfall described in subsection (a) in the amount distributed during any taxable year was due to reasonable error, and

(2) reasonable steps are being taken to remedy the shortfall,

the Secretary may waive the tax imposed by subsection (a) for the taxable year.

(1) a plan described in section 401(a) which includes a trust exempt from tax under section 501(a),

(2) an annuity plan described in section 403(a),

(3) an annuity contract described in section 403(b),

(4) an individual retirement account described in section 408(a), or

(5) an individual retirement annuity described in section 408(b).

Such term includes any plan, contract, account, or annuity which, at any time, has been determined by the Secretary to be such a plan, contract, account, or annuity.

If the taxpayer establishes to the satisfaction of the Secretary that—

(1) the shortfall described in subsection (a) in the amount distributed during any taxable year was due to reasonable error, and

(2) reasonable steps are being taken to remedy the shortfall,

the Secretary may waive the tax imposed by subsection (a) for the taxable year.

(1) Reduction

In the case of a taxpayer who—

(A) receives a distribution, during the correction window, of the amount which resulted in imposition of a tax under subsection (a) from the same plan to which such tax relates, and

(B) submits a return, during the correction window, reflecting such tax (as modified by this subsection),

the first sentence of subsection (a) shall be applied by substituting "10 percent" for "25 percent".

(2) Correction window