Commission Delegated Regulation (EU) 2022/29 of 28 October 2021 supplementing Regulation (EU) 2019/1700 of the European Parliament and of the Council by specifying the number and the title of the variables in the income and living conditions domain on Labour market and housing, Intergenerational transmission of advantages and disadvantages, Housing difficulties, and the 2023 ad hoc subject on Households energy efficiency (Text with EEA relevance)