Article 19 1 Subject to Article 3(3), the measures referred to in paragraphs 2, 3 and 4 shall be taken.
2 The employer must enter the workers responsible for carrying out the activities referred to in Article 3(1) in a register, indicating the nature and duration of the activity and the exposure to which they have been subjected. The doctor and/or the authority responsible for medical surveillance shall have access to this register. Each worker shall have access to the results in the register which relate to him personally. The workers and/or their representatives shall have access to anonymous, collective information in the register.
3 The register referred to in paragraph 2 and the medical records referred to in the fourth subparagraph of Article 18(2) shall be kept for at least 40 years following the end of exposure, in accordance with national laws and/or practice.
4 The documents referred to in paragraph 3 shall be made available to the responsible authority in cases where the undertaking ceases trading, in accordance with national laws and/or practice.