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Auditor's remuneration paid to Ernst & Young LLP | 12 Months Ended
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Dec. 31, 2018
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Auditor's remuneration paid to Ernst & Young LLP | 5. Auditor’s remuneration paid to Ernst & Young LLP
|  | 2018 $m |  |  | 2017 $m |  |  | 2016 $m |
Audit of the Financial Statementsa |  |  | 3.3 |  |  |  | 3.0 |  |  |  | 2.4 |
Audit of subsidiaries |  |  | 2.9 |  |  |  | 2.2 |  |  |  | 2.2 |
Audit-related assurance services |  |  | 0.2 |  |  |  | 0.2 |  |  |  | 0.2 |
Other assurance services |  |  | 1.3 |  |  |  | 1.0 |  |  |  | 1.2 |
Tax compliance |  |  | 0 |  |  |  | 0.1 |  |  |  | 0.4 |
Tax advisory |  |  | 0 |  |  |  | — |  |  |  | 0.1 |
Other non-audit services not covered by the above |  |  | 0.1 |  |  |  | 0.2 |  |  |  | 0.1 |
|  |  | 7.8 |  |  |  | 6.7 |  |  |  | 6.6 |
a | Includes $0.4m (2017: $0.5m, 2016: $nil) of additional fees for specific procedures performed in relation to the implementation of new accounting standards.
Audit fees in respect of the pension scheme were not material.

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- Definition The disclosure of compensation to the entity's auditors. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_10_e&doctype=Standard -URIDate 2018-03-16 + Details
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