A participant shall: Select, hire, train, supervise, terminate, and pay the attendant, including payment of applicable federal and State employment taxes; Maintain accurate records of hours and days that attendant care services are provided; Prepare and submit all billing forms in accordance with the Fiscal Payment Schedule; Reimburse the Department for any overpayment; Reimburse the Department for any outstanding advanced payment; Submit all required documentation to determine continued eligibility for participation in the Program at least once every 12 months, or more often as requested by the Program Director; and Comply with the attendant care agreement requirements, and provide a signed copy to the Department at the initial eligibility determination and at the request of the Department at any time thereafter. A participant shall employ an attendant who is 18 years old or older, and who is not a spouse or the representative payee of the participant. A participant shall notify the Program Director within 14 days of any changes in circumstances that affect eligibility for the Program for financial assistance