Case study A enters into a contract with B for the repair of a roof of a building. A owns the building, and uses part of the building for business purposes and part for residential accommodation. B enters into the contract as a business carrying out the trade of roof repair. Definition of consumer Under Consumer Rights Act 2015 (CRA 2015), s 2, ‘consumer’ means an individual acting for purposes that are wholly or mainly outside that individual's trade, business, craft or profession; see Practice Note: Consumer Rights Act 2015—summary. For general information as to how the CRA 2015 applies to contracts for services, see Practice Note: Consumer Rights Act 2015—services. The Competition and Markets Authority (CMA) has published guidance on the CRA 2015, which says that it considers that the words 'wholly or mainly' clearly invite consideration of transactions that are entered into for a mixture of personal and business reasons. The CMA believes that, in cases of