1. Where the contract provides that the digital content or digital service is to be supplied or made accessible to the consumer over a period of time, the trader may modify the digital content or digital service beyond what is necessary to maintain the digital content or digital service in conformity in accordance with Articles 7 and 8, if the following conditions are met:

(a) the contract allows, and provides a valid reason for, such a modification;

(b) such a modification is made without additional cost to the consumer;

(c) the consumer is informed in a clear and comprehensible manner of the modification; and

(d) in the cases referred to in paragraph 2, the consumer is informed reasonably in advance on a durable medium of the features and time of the modification and of the right to terminate the contract in accordance with paragraph 2, or of the possibility to maintain the digital content or digital service without such a modification in accordance with paragraph 4.