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Annual Report 2007 in PDF - Cairn Energy PLC

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NOTES TO THE ACCOUNTS<br />

For the year ended 31 December <strong>2007</strong><br />

1. Account<strong>in</strong>g Policies<br />

(a) Basis of preparation<br />

<strong>Cairn</strong> prepares its accounts on a historical cost basis. Where there are assets and liabilities calculated on a different basis, this<br />

fact is disclosed <strong>in</strong> the relevant account<strong>in</strong>g policy.<br />

(b) Account<strong>in</strong>g standards<br />

<strong>Cairn</strong> prepares its accounts <strong>in</strong> accordance with applicable International F<strong>in</strong>ancial <strong>Report</strong><strong>in</strong>g Standards (‘IFRS’) as adopted by the<br />

EU. The Group’s f<strong>in</strong>ancial statements are also consistent with IFRS as issued by the International Account<strong>in</strong>g Standards Board<br />

(‘IASB’).<br />

Relevant new standards and <strong>in</strong>terpretations issued by the IASB, but not yet effective and not applied <strong>in</strong> these f<strong>in</strong>ancial<br />

statements, are as follows:<br />

Date of adoption<br />

Title Change to account<strong>in</strong>g policy by <strong>Cairn</strong> Impact on <strong>in</strong>itial application<br />

Effective date from 1 March <strong>2007</strong><br />

IFRIC 11 ‘Group and Treasury<br />

Share Transactions’<br />

Share-based payment awards<br />

relat<strong>in</strong>g to employees of a subsidiary<br />

will be recognised <strong>in</strong> the equity of<br />

that company.<br />

Effective date from 1 January 2009<br />

IFRS 8 ‘Operat<strong>in</strong>g Segments’ No changes to current account<strong>in</strong>g<br />

policy.<br />

Revised IAS 23 ‘Borrow<strong>in</strong>g<br />

Costs’<br />

Revised IAS 1 ‘Presentation of<br />

F<strong>in</strong>ancial Statements’<br />

Effective date from 1 July 2009<br />

Revised IAS 27 ‘Consolidated<br />

and Separate F<strong>in</strong>ancial<br />

Statements’<br />

Revised IFRS 3 ‘Bus<strong>in</strong>ess<br />

Comb<strong>in</strong>ations’<br />

May result <strong>in</strong> more borrow<strong>in</strong>g costs<br />

be<strong>in</strong>g capitalised than under current<br />

policy.<br />

No changes to current account<strong>in</strong>g<br />

policy.<br />

No changes to current policy for<br />

<strong>Cairn</strong> <strong>Energy</strong> <strong>PLC</strong> but will impact<br />

Group subsidiaries.<br />

1 Jan 2008 Decrease <strong>in</strong> reta<strong>in</strong>ed earn<strong>in</strong>gs<br />

of <strong>Cairn</strong> <strong>Energy</strong> <strong>PLC</strong>, with<br />

correspond<strong>in</strong>g adjustment <strong>in</strong><br />

other debtors. There will be no<br />

impact at Group level.<br />

1 Jan 2009 Alternative disclosures regard<strong>in</strong>g<br />

segmental performance.<br />

1 Jan 2009 Decrease <strong>in</strong> borrow<strong>in</strong>g costs<br />

charged to the Income<br />

Statement, with correspond<strong>in</strong>g<br />

<strong>in</strong>crease <strong>in</strong> assets.<br />

1 Jan 2009 Presentation and disclosure<br />

requirements for certa<strong>in</strong> items<br />

<strong>in</strong> the Income Statement.<br />

I Jan 2009 No impact on <strong>Cairn</strong> <strong>Energy</strong> <strong>PLC</strong><br />

Group or Company accounts.<br />

Expens<strong>in</strong>g of all transaction costs. 1 Jul 2009 Applies only to bus<strong>in</strong>ess<br />

comb<strong>in</strong>ations after effective<br />

date.<br />

No other IFRS as issued by the IASB which are not yet effective are expected to have an impact on the Group’s or Company’s<br />

f<strong>in</strong>ancial statements.<br />

Dur<strong>in</strong>g the year, the Group adopted IFRIC 8 ‘Scope of IFRS 2’; amendment to IFRS 2 ‘Share-based Payment – Vest<strong>in</strong>g<br />

Conditions and Cancellations’; amendment to IAS 1 ‘Presentation of F<strong>in</strong>ancial Statements – Capital Disclosures’; and IFRS 7<br />

‘F<strong>in</strong>ancial Instruments: Disclosures’, amendment to IAS 32 ‘F<strong>in</strong>ancial Instruments: Disclosure and Presentation’.<br />

(c) Presentational currency<br />

The functional currency of <strong>Cairn</strong> <strong>Energy</strong> <strong>PLC</strong>, the ultimate parent company of the Group, is Sterl<strong>in</strong>g. These accounts have been<br />

presented <strong>in</strong> US Dollars ($), the functional currency of most companies with<strong>in</strong> the Group. It is deemed to be more appropriate to<br />

present the f<strong>in</strong>ancial statements <strong>in</strong> l<strong>in</strong>e with the functional currency of the majority of the Group. The Group’s policy on foreign<br />

currencies is detailed <strong>in</strong> Note 1(p).<br />

CAIRN ENERGY <strong>PLC</strong> ANNUAL REPORT <strong>2007</strong> 77

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