The Deputy Administrator shall review each claim forwarded to him by the State committee to determine whether, (a) the penalty was erroneously, illegally, or wrongfully collected, (b) the claimant bore the burden of the payment of the penalty, (c) the claim was timely filed, and (d) under the applicable law and regulations the claimant is entitled to a refund. If a claim is filed initially with the Deputy Administrator, he shall obtain the recommendations of the county committee and the State committee if he deems such action necessary in arriving at a proper determination of the claim. The claimant shall be advised in writing of the action taken by the Deputy Administrator. If disapproved, the claimant shall be notified with an explanation of the reasons for such disapproval.