(1) All charges payable under these Regulations shall be paid in advance.
(2) Where charges are not paid in advance then—
(a) if charges are not paid within 90 days of the date of the discharge from the hospital of the patient by whom they are payable, there shall be added an amount equal to 6% of such fees;
(b) if the charges are not paid within 9 months of the discharge from the hospital of the patient by whom they are payable, the charges remaining unpaid at that date shall be recovered in accordance with the provisions of the Act;
(c) after the expiration of the period mentioned in regulation 7(b) the Steward (or other responsible officer) shall forward the necessary documents to the Chief Medical Officer and he or she shall on receipt of the documents aforesaid take steps to recover the amount.