CFR /  Title 20  /  Part 418  /  Sec. 418.3665 Can your request for a hearing or case review be

We will dismiss your request for a hearing or case review under any of the following conditions:

(a) At any time before notice of the decision is mailed, you ask that your request for administrative review be withdrawn; or

(b) You failed to request administrative review timely and did not have good cause for missing the deadline for requesting review.