Unless a request for an accelerated disposition of a protest is filed in accordance with subsection (b) of this section the appropriate customs officer, within two years from the date a protest was filed in accordance with section
1514 of this title, shall review the protest and shall allow or deny such protest in whole or in part. Thereafter, any duties, charge, or exaction found to have been assessed or collected in excess shall be remitted or refunded and any drawback found due shall be paid. Upon the request of the protesting party, filed within the time allowed for the filing of a protest under section
1514 of this title, a protest may be subject to further review by another appropriate customs officer, under the circumstances and in the form and manner that may be prescribed by the Secretary in regulations, but subject to the two-year limitation prescribed in the first sentence of this subsection. Within 30 days from the date an application for further review is filed, the appropriate customs officer shall allow or deny the application and, if allowed, the protest shall be forwarded to the customs officer who will be conducting the further review. Notice of the denial of any protest shall be mailed in the form and manner prescribed by the Secretary. Such notice shall include a statement of the reasons for the denial, as well as a statement informing the protesting party of his right to file a civil action contesting the denial of a protest under section
1514 of this title.