An applicant or the applicant’s designated representative may file a complaint with the Board within 30 days after receiving a Final Determination from the Ombudsman that a specific dispute has not been resolved. The complaint shall: Pertain only to the dispute described in the Final Determination; Be submitted in writing; and Be signed by the applicant. The substance of the complaint shall, at minimum: Identify the custodian that is the subject of the complaint; and Describe the action of the custodian, the date of the action, and the circumstances of the action. A complaint may be filed by email or regular mail.