(a) When a self-insured plan or a trust utilizes the services of an administrator, the payment of premiums or charges to the administrator by the covered individual are presumed to have been received by the self-insured plan or trust.
(b) The payment of claims or the return of premiums to the administrator are not presumed to have been paid to the covered individual or claimant until the payment is received by the covered individual or claimant.