; (4) the procedure for referral to and review by the Office of the Inspector General of the Department without deference to a determination made by the Secretary with respect to the petition; and (5) the procedure for rejection or acceptance by the Secretary of the recommendation of the Office of the Inspector General. (b) Petitions The regulations promulgated under subsection (a) shall allow any person to file a petition with the Secretary— (1) identifying any person (including the United States and any other governmental instrumentality or agency, to the extent permitted by the eleventh amendment to the Constitution of the United States) alleged to be in violation of any standard, regulation, condition, requirement, prohibition, plan, or order that has become effective under this title; and (2) describing the alleged violation of any standard, regulation, condition, requirement, prohibition, plan, or order that has become effective under this title by the person described in paragraph (1). (c) Requirements After the Secretary issues regulations under subsection (a), the Secretary shall— (1) accept all petitions described under subsection (b) that meet the requirements of the regulations issued under subsection (a); (2) investigate all allegations contained in accepted petitions; (3) determine whether enforcement action will be taken concerning the alleged violation or violations; (4) respond to all accepted petitions promptly and in writing; (5) include in all responses to petitions a brief and concise statement, to the extent permitted under section 2110, of the allegations, the steps taken to investigate, the determination made, and the reasons for such determination; (6) maintain an internal record including all protected information relating to the determination