(1) For a child or spouse, ordered by a court of competent jurisdiction, whether the payment is ordered in an emergency, temporary, permanent or modified order, the amount of unpaid support shall bear simple interest from the date it accrued, at a rate of ten dollars upon one hundred dollars per annum, and proportionately for a greater or lesser sum, or for a longer or shorter time;
(2) To third parties on behalf of a child or spouse, including, but not limited to, payments to medical, dental or educational providers, payments to insurers for health and hospitalization insurance, payments of residential rent or mortgage payments, payments on an automobile or payments for day care; or
(3) For a mother, ordered by a court of competent jurisdiction, for the necessary expenses incurred by or for the mother in connection with her confinement or of other expenses in connection with the pregnancy of the mother.