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Income tax incurred and deferred: (Details 4) - MXN ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Current tax assets, current |  | $ 82,891 | $ 111,738
Income tax |  |  |
Current tax assets, current |  | 74,885 | 101,664
Asset tax |  |  |
Current tax assets, current | [1] | $ 8,006 | $ 10,074
[1] | The balance as of December 31, 2017, was requested in return, at the date of this financial statements issuance said balance has not yet been recovered.

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- Definition The current amount of current tax assets. [Refer: Current tax assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 54 -Subparagraph n -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_54_n&doctype=Standard -URIDate 2017-03-09 + Details
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