1. The payment service user entitled to use a payment instrument shall:
((a))
use the payment instrument in accordance with the terms governing the issue and use of the payment instrument, which must be objective, non-discriminatory and proportionate;
((b))
notify the payment service provider, or the entity specified by the latter, without undue delay on becoming aware of the loss, theft, misappropriation or unauthorised use of the payment instrument.
2. For the purposes of point (a) of paragraph 1, the payment service user shall, in particular, as soon as in receipt of a payment instrument, take all reasonable steps to keep its personalised security credentials safe.