Only a written notice of cancellation by the student is accepted as a cancellation. The date of cancellation is regarded to be the date on which the written notice was received by Hispania Schools. 6.2 In case the agreement is cancelled by the student, the following rules apply: 6.2a In case of cancellation up to 28 days before the arrival date the student is entitled to a refund of 100% of the fee for the course, accommodation, airport transfer and special programme minus the deposit. 6.2b In case of cancellation from the 28th day (including day 28) up to 14 days before the arrival date the student is entitled to a refund of 100% the course, accommodation, airport transfer and special programme minus the sum of the deposit and the fee for 1 week of accommodation. 6.2c In case of cancellation from the 14th day before the arrival date: the student is entitled to a refund of 50% of the course, accommodation and special programme fee after deduction of the sum of the fee for the airport transfer, 1 week course, 1 week accommodation and 1 week special program. So in case the student has reserved for only 1 week, there is no refund. 6.2d In case of cancellation on the arrival date or later: the student is not entitled to a refund. 6.3 Modification of the reservation by the student such as, but not limited to, a postponement should be requested by written notice. In case of a modification request, the following rules apply: 6.3a Requests for modifications up to 28 days before the arrival date are subject to availability. 6.3b Requests for modifications from 28 days before the arrival date are generally not possible. In case of it being possible, an extra fee of 50 EUR will be charged. 6.3c The modification is only valid when confirmed by Hispania Schools and when the student has paid the total sum as described in art. 3. 6.3d In case of a cancellation within 28 days after the date of modification, the initial arrival date is regarded to be the arrival date. 6.4 Apart from the cancellation fee, the student is obliged to pay all other fees than the course and accommodation fees. 6.5 If there is no accommodation reserved, the first day of the course is regarded to be the arrival date. 6.6 In case the total sum minus the refund is higher than the amount the student has paid, the student is obliged to pay the difference to Hispania Schools within 14 days after the date of cancellation.