4 Investigatory Powers Commissioner’s Annual Report 2019 Annex A: Glossary of Authorities 148 Annex B: Budget 150 Annex C: Serious Errors 151 Annex D: Communications Data 161 Annex E: Public Engagements 165
4 Investigatory Powers Commissioner’s Annual Report 2019 Annex A: Glossary of Authorities 148 Annex B: Budget 150 Annex C: Serious Errors 151 Annex D: Communications Data 161 Annex E: Public Engagements 165