(a)
For any taxpayer who meets the requirements of Section 7073:
(1)
The board shall waive all penalties imposed by this part, for the tax reporting periods for which tax amnesty is allowed for the nonreporting or underreporting of tax liabilities or the nonpayment of any taxes previously determined or proposed to be determined.
(2)
Except as provided in subdivision (b), no criminal action shall be brought against the taxpayer, for the tax reporting periods for which tax amnesty is requested, for the nonreporting or underreporting of tax liabilities.
(b)
This section does not apply to violations of this part for which, as of the first day of the amnesty period specified in Section 7071, (1) the taxpayer is on notice of a criminal investigation by a complaint having been filed against him or her or by written notice having been mailed to him or her that he or she is under criminal investigation, or (2) a court proceeding has already been initiated.
(c)
No refund or credit shall be granted of any penalty paid prior to the time the taxpayer makes a request for tax amnesty pursuant to Section 7073.