f) goods which, by their nature, are inseparably mixed with other goods after delivery;
g) an alcoholic beverage the real value of which is dependent on market fluctuations in a way beyond the undertaking's control and the price of which was agreed between the parties at the time of the conclusion of the sales contract, but the contract is not performed until 30 days after the conclusion of the contract;
h) - with the exception provided for in paragraph 2, in the case of a contract for a service where the undertaking, at the express request of the consumer, visits the consumer in order to carry out urgent repair or maintenance work;
i) the sale of a copy of a sound or video recording or computer software in sealed packaging, if the consumer has opened the packaging after delivery;
j) newspapers, periodicals and periodicals, with the exception of subscription contracts;
k) for contracts concluded by public auction;
l) for contracts for the provision of accommodation, transport, car rental, catering or leisure activities, with the exception of housing services, if a deadline or period for performance has been set in the contract;
m) in respect of digital content provided on a non-tangible medium, if the undertaking has commenced performance with the consumer's express prior consent and the consumer has, at the same time as giving such consent, declared that he acknowledges that he will lose his right under Section 20 after the performance has commenced, and the undertaking has sent the consumer a confirmation pursuant to Section 12(2) or Section 18.
(2) In the case referred to in point (h) of paragraph 1, the right under Article 20 extends to services or goods offered in addition to those expressly requested by the consumer and to replacement parts used to carry out the maintenance or repair.