Article 7 - The Drawings
- (1) Subject to the provisions of paragraph (2)(ii), drawings shall be required when they are necessary for the understanding of the invention.

- (2) Where, without being necessary for the understanding of the invention, the nature of the invention admits of illustration by drawings:
- (i) the applicant may include such drawings in the international application when filed,
- (ii) any designated Office may require that the applicant file such drawings with it within the prescribed time limit.
