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Cash and cash equivalents: | 12 Months Ended
--- | ---
Dec. 31, 2019
Cash and cash equivalents |
Cash and cash equivalents | Note 5 - Cash and cash equivalents:
|  | December 31,
|  | 2018 |  | 2019
Cash and cash held at banks |  | Ps. | 3,743,212 |  | Ps. | 3,642,037
Short term investments |  |  | 841,295 |  |  | 2,550,642
Total cash and cash equivalents |  | Ps. | 4,584,507 |  | Ps. | 6,192,679
5.1) Restricted cash and cash equivalents As of December 31, 2018 and 2019, cash and cash equivalents include funds related to insurance recovery which are restricted until obtaining the work certification indicating that the funds were used for the purpose defined of Ps.44,683 and Ps.138,773, respectively, as well as the amounts collected as of December 31, 2018 and 2019 by Aerostar for the concept of “Passenger Facility Charge” (PFC) which are restricted to be used to fund investment projects in airport infrastructure previously authorized by the FAA of Ps.2,649 and Ps.26,849, respectively. See Notes 18.6 and 9.

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- Definition The disclosure of cash and cash equivalents. [Refer: Cash and cash equivalents] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_10_e&doctype=Standard -URIDate 2019-03-27 + Details
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