The Secretary may deny a petition for any reason permitted by law, including, but not limited to: That the Secretary does not have the authority to grant the petition; That the Department does not have adequate information or resources to evaluate the petition; That the Department does not have adequate resources to implement the requested regulation if it is adopted; That the Secretary previously adopted a regulation dealing with the same subject matter as that of the petition and rejected the position taken by petitioner at that time, or the petitioner unreasonably failed to make his position known at that time; or That the requested regulation change is contrary to or inconsistent with Departmental policy.