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Taxation - Tax Charge (Detail) - GBP (£) £ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | [1] | Dec. 31, 2017 | [1]
Corporation tax |  |  |  |  |  |
Current year |  | £ 423.0 | £ 404.2 |  | £ 383.0 |
Prior years |  | (63.4) | (108.1) |  | (97.2) |
Corporation tax |  | 359.6 | 296.1 |  | 285.8 |
Deferred tax |  |  |  |  |  |
Current year |  | (78.3) | (41.5) |  | (207.4) |
Prior years |  | (6.3) | 1.4 |  | 4.6 |
Deferred tax |  | (84.6) | (40.1) |  | (202.8) |
Tax charge | [2] | £ 275.0 | £ 256.0 | [3] | £ 83.0 | [3]
[1] | Prior year figures have been re-presented in accordance with IFRS 5 Non-current Assets Held for Sale and Discontinued Operations, as described in the accounting policies.
[2] | Figures have been restated, as described in the accounting policies.
[3] | Profit before taxation has been restated to be in accordance with IAS 39 Financial Instruments: Recognition and Measurement, as described in the accounting policies.

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