Call for artists: paper transformation Is it mandatory to reuse one or more old EPO paper files when creating the proposed art object? Home Service & support Frequently Asked Questions (FAQ) About us Call for artists: paper transformation Is it mandatory to reuse one or more old EPO paper files when creating the proposed art object? Facebook X Linkedin Email Is it mandatory to reuse one or more old EPO paper files when creating the proposed art object? Yes. The proposal must be based on the reuse/recycling/recapture of one or more old EPO paper files. Category Call for artists: paper transformation Go to FAQ overview