IEC 60601-2-33 establishes requirements for the safety of MR equipment to provide protection for the patient and the MR worker. It establishes requirements to provide information to the operator, staff associated with mr equipment and the general public. It also provides methods for demonstrating compliance with those requirements. This consolidated version consists of the second edition (2002), its amendment 1 (2005) and its amendment 2 (2007). Therefore, no need to order amendments in addition to this publication.