Where:
(a) a person makes an infringing copy of, or of part of, a work on a machine (including a computer), being a machine installed by or with the approval of the body administering a library or archives on the premises of the library or archives, or outside those premises for the convenience of persons using the library or archives; and
(b) there is affixed to, or in close proximity to, the machine, in a place readily visible to persons using the machine, a notice of the prescribed dimensions and in accordance with the prescribed form;
neither the body administering the library or archives nor the officer in charge of the library or archives shall be taken to have authorized the making of the infringing copy by reason only that the copy was made on that machine.