; or (B) the date on which a determination is made by the board established under subsection (d)(2) or a court of competent jurisdiction as to whether the person is a danger to self or others. (3) The court may, in its discretion, extend an order issued under this subsection for not more than 30 days. (h) Regulatory changes Consistent with the requirements imposed under this section, the Secretary shall review all relevant regulations and revise such regulations as necessary. (i) Persons with existing records (1) For persons with existing records in the National Instant Criminal Background Check System database supplied by the Secretary as of the date of enactment of this section, not later than 90 days after such date of enactment, the Secretary shall provide written notice of the opportunity for administrative review or judicial review consistent with this section. (2) Each person described in paragraph (1) may, at any time, request administrative review under subsection (d) or judicial review by a court of competent jurisdiction to challenge the placement of the person in the National Instant Criminal Background Check System database consistent with the procedures and standards set forth in this section. (3) In an action under this subsection, the failure of the Federal Government to prove, based on clear and convincing evidence, that a person is a danger to self or others consistent with the procedures in this section shall result in the removal of such person’s information from the National Instant Criminal Background Check System database. (j) New and material evidence A person or the Federal Government may reopen a finally adjudicated case by submitting new and material evidence consistent with this section. (k) Definitions In this section— (1) the term court of competent jurisdiction means the district court of the United States for the district in which the person who is subject to the assessment or determination resides