21Requirements for building elements and performance solutions

#### 21 Requirements for building elements and performance solutions 21 Requirements for building elements and performance solutions > A building practitioner who does building work must take all reasonable steps to ensure that building work relating to a building element or performance solution for which a regulated design is to be used is carried out in accordance with a design for which a design compliance declaration has been obtained from a registered design practitioner whose registration authorises the practitioner to provide a declaration as to the matters to which the declaration relates. > > Maximum penalty—3,000 penalty units (in the case of a body corporate) or 1,000 penalty units (in any other case).