31. Applications for registration presented in paper form shall be on sheets of the same size measuring 215 mm by 280 mm or 215 mm by 355 mm, on paper weighing at least 75 g/m2 per ream.
The documents accompanying the applications, which shall also be on paper weighing at least 75 g/m2 per ream, shall be on sheets that do not exceed 215 mm by 355 mm and the pages of a document shall all be of the same size.