After considering representations, if any, made by the person concerned pursuant to the notice issued under paragraph (1), the Customs Service shall determine whether any violation of subsection (a) of this section, as alleged in the notice, has occurred. If the Customs Service determines that there was no violation, the Customs Service shall promptly issue a written statement of the determination to the person to whom the notice was sent. If the Customs Service determines that there was a violation, Customs shall issue a written penalty claim to such person. The written penalty claim shall specify all changes in the information provided under clauses (i) through (vii) of paragraph (1)(A). Such person shall have a reasonable opportunity under section
1618 of this title to make representations, both oral and written, seeking remission or mitigation of the monetary penalty. At the conclusion of any proceeding under section
1618 of this title, the Customs Service shall provide to the person concerned a written statement which sets forth the final determination, and the findings of fact and conclusions of law on which such determination is based.