OAH may deny or dismiss an appeal if: The appeal request is not effective pursuant to Regulation .03 of this chapter; The appellant withdraws the request in writing; As provided in Regulation .11 of this chapter, the appellant fails to appear at the scheduled hearing; Assistance has been reduced or terminated due to a change in federal or State law or regulation and the appeal does not concern misapplication of the change; or The appellant has failed to pay any filing fees required by OAH.