- Against morality or public policy: The commercial exploitation of an industrial design is not considered contrary to morality or public policy for the sole reason of there being a legal or administrative provision that prohibits or regulates such exploitation;
- Technical function: Industrial designs whose appearance is entirely dictated by considerations of technical character or by the performance of a technical function, without entailing any arbitrary involvement of the designer;
- Exact reproduction connection to other product: The industrial design that consists only of a shape the exact reproduction of which is necessary for the product incorporating the design to be assembled mechanically or connected to another product of which it forms a part. This prohibition shall not apply in the case of products in which the design feature lies in a shape intended to permit the assembly or multiple connection of the products or their interconnection within a modular system.