(a)
Except as provided in subdivision (b) and otherwise provided in Section 30172, the board for good cause may extend for not to exceed one month the time for making any report or return or paying any amount of tax required under this part. The extension may be granted at any time provided a request therefor is filed with the board within or prior to the period for which the extension may be granted.
(b)
(1)In the case of a disaster, the board, for a period not to exceed three months, may extend the time for making any report or return or paying any tax required under this part. The extension may be granted at any time provided a request therefor is filed with
the board within or before the period for which the extension may be granted.
(2)
For purposes of this section, “disaster” means fire, flood, storm, tidal wave, earthquake, or similar public calamity, whether or not resulting from natural causes.
(c)
Any person to whom an extension is granted pursuant to this section shall pay, in addition to the amount of tax, interest at the modified adjusted rate per month, or fraction thereof, established pursuant to Section 6591.5, from the date on which the amount of tax would have been due without the extension to the date of payment.