The county department of job and family services shall require the parent of each participating student, or, if the student is eighteen or nineteen years of age, the student to consent to release of the student’s school attendance records. If the parent or participating student refuses to consent, the county department shall reduce the assistance group‘s cash assistance payment for the month immediately following the month of the refusal and each month thereafter until consent is given. The cash assistance payment shall be reduced to the amount the assistance group would be eligible to receive if neither the participating student nor the parent were members of the assistance group.