Poor service

<p>Good day my husband must take a bloodtest every month but our medical aid savings was up so Ampath labrotory send us a invoice what we must pay.On the 20 February we made a payment on both accounts but today we receive letters to tell as we didnt make a payment but we email the proof of payment.It is every time we make a payment but receive lettets to say we didnt pay.It is really bad servive</p>