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The significant components of the net income tax asset consist of the following at December 31 (dollars in thousands): 

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In assessing the ability to realize a deferred tax asset, management considers whether it is more likely than not that some portion or the entire deferred tax asset will not be realized. The ultimate realization of deferred tax assets is dependent upon the generation of future taxable income during the periods in which those temporary differences become deductible. Management considers the scheduled reversal of deferred tax liabilities, projected future taxable income, and tax planning strategies in making this assessment. The net operating loss carryforwards were generated by NNN’s taxable REIT subsidiaries. The net operating loss carryforwards begin to expire in 2028. Based upon the level of historical taxable income and projections for future taxable income management believes it is more likely than not that NNN will realize all of the benefits of these deductible differences that existed as of December 31, 2013 and 2012. 

As noted in Note 1, during the year ended December 31, 2012, NNN identified certain immaterial errors related to deferred tax assets and the related valuation allowance. NNN decreased deferred tax assets and the related valuation allowance by $10,350,000 each to correct a gross-up error and reversed its valuation allowance by $6,493,000 to reflect an overstatement of its valuation allowance recorded in the years ended December 31, 2010 and 2009. 

Furthermore, NNN determined in the year ended December 31, 2012 that its available sources of income supported realizability of all of its gross deferred tax assets. In 2012, NNN reversed the remaining valuation allowance and recorded an income tax benefit of $1,178,000. 

The decrease in the valuation allowance for the year ended December 31, 2012 was $18,021,000. There was no valuation allowance as of December 31, 2013 or 2012, respectively. 

