Commission Implementing Regulation (EU) 2021/2052 of 24 November 2021 specifying technical items of data sets of the sample survey 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 pursuant to Regulation (EU) 2019/1700 of the European Parliament and of the Council