Legal basis: Article 32 of the Law of People's Republic of China (PRC) on the Prevention and Control of Occupational Diseases, the employing unit shall, in accordance with the provisions of the administrative department of health of the State Council, organize the workers who are exposed to occupational hazards to undergo occupational health examinations before, during and after taking up their posts, and truthfully inform the workers of the examination results. The expenses for occupational health examination shall be borne by the employer. Valid for one year.