47 notice at two weeks’ notice. The subscriber has the right to terminate a communications service agreement with immediate effect, if a telecommunications operator gives notification that it is amending the agreement terms to the detriment of the subscriber. The subscriber shall not have a right to terminate a time-limited communications service agreement if the amendments result from changes in tax laws. The telecommunications operator shall send the subscriber a written confirmation of the termination notice. A telecommunications operator shall cancel a communications service agreement in writing. In connection with a tie-in sale, a consumer has the right to terminate the agreement as of two weeks from giving notice of the termination, if he or she pays the costs of the time remaining under the agreement as well as other costs agreed upon for such an event. A consumer has, despite being party to a time-limited agreement, the right to terminate the agreement as of two weeks from giving notice of the termination, if he or she has financial difficulties due to sickness, unemployment or some other similar reason which cannot be attributed to him or her, or if keeping the agreement valid is unreasonable for the consumer for some other special reason. The telecommunications operator shall not charge the consumer for the fees pertaining to the remainder of the communications service agreement period. The telecommunications operator shall nevertheless have the right to reclaim terminal equipment supplied in connection with tie-in sales. Section 117 Cancelling an agreement The subscriber may cancel a communications service agreement due to a defect or delay by the telecommunications operator, if the breach of agreement is considerable. The subscriber may cancel a communications service agreement orally or in writing. A telecommunications operator has the right to cancel a communications service agreement if: 1) the subscriber connection has been closed under section 115 for at least one month and the reasons for closure still apply; or 2) the subscriber or user has been sentenced for disrupting telecommunications using a communications service. A telecommunications operator shall cancel a communications service agreement in writing. Section 118 A delay in the delivery of a communications service and the right to refrain from paying Delivery of a communications service is deemed delayed, if the service has not been delivered at the agreed time for reasons that are not attributable to the subscriber or user. The subscriber is obliged to make payments based on the communications service agreement only after the connection has been made available to the subscriber. After the service connection is available, the subscriber has the right to refrain from paying amounts of the payment that are necessary to ensure compensation for the delay. Section 119 Standard compensation