 It is illegal to provide engineering services or sign engineering projects in Portugal without being a member of the OE.However, many other professionals in engineering (such as technical engineers, short-cycle degree engineers, or engineers graduating from unaccredited courses) are allowed to work in the field as long as they do not provide engineering services or sign engineering projects, and they cannot officially use the title "engineer".The OE is the entity responsible for the accreditation of engineering degrees and engineering courses in Portugal.