817. Medical examination of person or persons employed in a factory.

817.     Medical examination of person or persons employed in a factory.

If an employment medical adviser1 is of opinion that there ought, on the specified grounds2, to be a medical examination3 of a person or persons employed4 in a factory5, he may serve on the occupier of the factory a written notice stating that he is of that opinion and requiring that the occupier is to permit a medical examination in accordance with these provisions of the person or persons in question, and the examination must be permitted accordingly6. The specified grounds on which a medical examination