| 8.1 | Any document produced by the Company on which it is recorded that an ATM service was provided is deemed to be sufficient evidence that the ATM service was indeed provided. |
| 8.2 | The operator of an aircraft which is engaged in a flight in respect of which the operator is liable to pay an air traffic service charge in terms of these Rules and in the case where the flight— |
| (a) | terminates at an ACSA airport, must pay the air traffic service charge to the Company representative at that ACSA airport before that aircraft is to take off from that ACSA airport; |
| (b) | commences at an ACSA airport and terminates at an airport other than an ACSA airport, must pay the air traffic service charge to the Company representative at that ACSA airport before that aircraft is to take off from that ACSA airport; |
| (c) | commences and terminates at airports other than ACSA airports, must pay the air traffic service charge to the Company within 30 days of receipt of an invoice from the Company in respect of the air traffic service charge, |
unless the operator has previously entered into an agreement with the Company for payment.
| 8.3 | The operator of an aircraft shall— |
| (a) | deposit with the Company an amount, or |
| (b) | provide the Company with a letter of guarantee by a financial institution in a format acceptable to the Company that an amount has been set aside, |
as security against the risk of default on payment.
| 8.4 | The Company shall determine the amount referred to in section 8.3 with reference to the actual or expected invoices of an operator, which amount shall be limited to the maximum amount of two months’ invoicing. |
| 8.5 | The Company may annually revise, and an operator may annually apply for a revision of the amount in section 8.3, with reference to actual or expected invoicing. |
| 8.6 | No interest is payable by the Company on any deposit or letter of guarantee held by it in terms of these Rules. |
| 8.7 | The Company may charge interest on an outstanding invoice as provided for in the Standard Terms and Conditions. |
| 8.8 | The Company is not obliged to withdraw, modify or reissue an invoice after six months from the date of the invoice. |
