On sheets containing drawings, the usable surface area may not exceed 26.2 cm x 17 cm. These sheets may not contain frames round the usable or used surface. The minimum margins are as follows: top side: 2.5 cm; left side: 2.5 cm; right side: 1.5 cm; bottom: 1 cm.

Under Rule 35(7), no entries may be made in the margins. The drawings must be so set out that they do not overlap into the minimum margin defined in Rule 32(1).