Languages and translations
English
File type1
SDC2023_S4_2_UK ONS_Trace_D.pdf (application/pdf, 222.52 KB)
File type2
SDC2023_S4_2_UK ONS_Trace_P.pdf (application/pdf, 296.86 KB)
confidentiality rules, individual data, swapping records, cell key method, disclosure rules, intruder testing,