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Income Taxes | 6 Months Ended
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Jun. 30, 2011
Income Taxes |
Income Taxes | (8) Income Taxes Ambac files a consolidated Federal income tax return with its subsidiaries. Ambac and its subsidiaries also file separate or combined income tax returns in various states, local and foreign jurisdictions. The following are the major jurisdictions in which Ambac and its affiliates operate and the earliest tax years subject to examination:
Jurisdiction |  | Tax Year |
United States |  |  | 2005 |
New York State |  |  | 2008 |
New York City |  |  | 2000 |
United Kingdom |  |  | 2005 |
Italy |  |  | 2006 |
As of June 30, 2011 and December 31, 2010, the liability for unrecognized tax benefits is approximately $23,150 and $23,050, respectively. Included in these balances at June 30, 2011, and December 31, 2010 are $23,150 and $23,050, respectively, of unrecognized tax benefits that, if recognized, would affect the effective tax rate. Ambac accrues interest and penalties related to unrecognized tax benefits in the provision for income taxes. During the six months ended June 30, 2011 and 2010, Ambac recognized interest of approximately $100 and $100 respectively. During the three months ended June 30, 2011 and 2010, Ambac recognized interest of approximately $50 and $50 respectively. Ambac had approximately $15,320 and $15,220 for the payment of interest accrued at June 30, 2011 and December 31, 2010, respectively. As a result of the development of additional losses and the related impact on the Company's cash flows, management believes it is more likely than not that the Company will not generate sufficient taxable income to recover the deferred tax operating asset. As of June 30, 2011 a full valuation allowance of $2,700,000 has been established against the deferred tax asset. As of December 31, 2010, the company had a valuation allowance of $2,411,107.

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- Definition The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 136, 172 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 43, 44, 45, 46, 47, 48, 49 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 + Details
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