21 | Intangible assets

in TUSD Assets under development Internally developed Acquired Total
Cost
Balance as at 1 January 2021 1,026 0 8,867 9,893
Additions 17,070 0 1,370 18,440
Reclassifications 0 0 0 0
Balance as at 31 December 2021 18,095 0 10,237 28,332
Additions 12,307 0 0 12,307
Reclassifications -28,823 29,196 0 373
Foreign exchange effects 52 0 0 52
Balance as at 31 December 2022 1,631 29,196 10,237 41,064
Accumulated depreciation
Balance as at 1 January 2021 0 0 7,067 7,067
Amortisation 0 0 1,258 1,258
Reclassifications 0 0 0 0
Balance as at 31 December 2021 0 0 8,325 8,325
Amortisation 0 3,893 1,116 5,009
Balance as at 31 December 2022 0 3,893 9,441 13,334
Net carrying amount
As at 31 December 2021 18,095 0 1,912 20,007
As at 31 December 2022 1,631 25,303 796 27,730

Internally developed intangible assets mainly comprise the initial set-up costs for the FIFA+ platform, which has been reclassified from intangible assets under development, the platform having been launched in 2022. The internally developed intangible assets as at 31 December 2022 have a carrying amount of USD 25.3 million and a remaining amortisation period of four years.

Acquired intangible assets mainly include FIFA’s enterprise resource planning (ERP) system as well as other related software.