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Income tax | 12 Months Ended
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Dec. 31, 2017
Income tax |
Income tax | 19. Income tax a) In accordance with the MITL, the Company and its Mexican subsidiaries are subject to income tax and each files its tax returns on an individual entity basis and the related tax results are included in the accompanying consolidated financial statements. The income tax is computed taking into consideration the taxable and deductible effects of inflation, such as depreciation calculated on restated assets values. Taxable income is increased or reduced by the effects of inflation on certain monetary assets and liabilities through the annual inflation adjustment.
| (i) |  | Based on the approved law corporate income tax rate for 2017 and thereafter is 30%.
| (ii) |  | The tax rules include limits in the deductions of the exempt compensation amount certain items, as follows: Wages and benefits paid to workers 47% of income paid to workers and in certain cases up to 53% (holiday bonus, savings fund, employee profit sharing, seniority premiums) will be deductible for employers. As a result, certain wage and salary provisions have difference between tax and book values at year-end.
| (iii) |  | The MITL sets forth criteria and limits for applying some deductions, such as: the deduction of payments which, in turn, are exempt income for workers, contributions for creating or increasing provisions for pension funds, contributions to the Mexican Institute of Social Security payable by the worker that are paid by the employer, as well as the possible non-deduction of payments made to related parties in the event of failing to meet certain requirements.
| (iv) |  | Taxable income for purposes of the employee profit sharing is the same used for the Corporate Income Tax except for certain items.
| (v) |  | A 10% withholding tax is imposed on dividends distributions to individuals and foreign shareholders from earnings generated starting January 1, 2014.
The income tax rates for 2017 and 2016 in Guatemala and Costa Rica are 25% and 30%, respectively. b) For the years ended December 31, 2017, 2016 and 2015, the Company reported on a consolidated basis taxable income of Ps.171,046, Ps.2,702,355 and Ps.2,751,813, respectively, which was partially offset by tax losses from prior years. In accordance with the MITL and CRITL, tax losses may be carried forward against taxable income generated in the succeeding ten and three years, respectively. Carryforward tax losses are restated based on inflation. c) An analysis of consolidated income tax expense for the years ended December 31, 2017, 2016 and 2015 is as follows: Consolidated statements of operations
|  | 2017 |  | 2016 |  | 2015 |
Current year income tax expense |  | Ps. | (51,313 | ) | Ps. | (706,244 | ) | Ps. | (337,997 | )
Deferred income tax benefit (expense) |  | 212,488 | * | (750,938 | )** | (700,351 | )
Total income tax benefit (expense) |  | Ps. | 161,175 |  | Ps. | (1,457,182 | ) | Ps. | (1,038,348 | )
*Includes translation effect by Ps.1,008 **Includes translation effect by Ps.1,242 Consolidated statements of OCI
|  | 2017 |  | 2016 |  | 2015 |
Deferred tax related to items recognized in OCI during the year |  |  |  |  |  |  |
Net gain (loss) on cash flow hedges |  | Ps. | 12,017 |  | Ps. | (187,408 | ) | Ps. | 58,161 |
Remeasurement gain of employee benefits |  | 533 |  | 132 |  | 352 |
Deferred tax charged to OCI |  | Ps. | 12,550 |  | Ps. | (187,276 | ) | Ps. | 58,513 |
d) A reconciliation of the statutory corporate income tax rate to the Company’s effective tax rate for financial reporting purposes is as follows:
|  | 2017 |  | 2016 |  | 2015 |
Statutory income tax rate |  | 30.00 | % | 30.00 | % | 30.00 | %
Non-deductible expenses |  | (3.90 | %) | 0.28 | % | 0.66 | %
Unrecorded deferred taxes on tax losses |  | (14.55 | %) | 0.09 | % | — |
Foreign countries difference with Mexican statutory rate |  | (0.32 | %) | 0.04 | % | — |
Inflation of tax losses |  | 1.50 | % | (0.01 | %) | (0.02 | %)
Amendment tax return effects and other tax adjustments |  | (0.31 | %) | (0.11 | %) | (0.42 | %)
Inflation on furniture, intangible and equipment |  | 4.91 | % | (0.38 | %) | (0.34 | %)
Annual inflation adjustment |  | 4.00 | % | (0.63 | %) | (0.23 | %)
|  | 21.33 | % | 29.28 | % | 29.65 | %
Mexican income tax matters For Mexican purposes, corporate income tax is computed on accrued basis. MITL requires taxable profit to be determined by considering revenue net of tax deductions. Prior years’ tax losses can be utilized to offset current year taxable income. Income tax is determined by applying the 30% rate on the net amount after tax losses utilization. For tax purposes, income is considered taxable at the earlier of: (i) the time the revenue is collected, (ii) the service is provided or (iii) the time of the issuance of the invoice. Expenses are deductible for tax purposes generally on accrual basis, with some exceptions, once the requirements established in the tax law are fulfilled. Central America (Guatemala and Costa Rica) According to Guatemala Corporate Income tax law, under the regime on profits from business activities, net operating losses cannot offset taxable income in prior or future years. For the year ended December 31, 2017, the Company obtained a net operating loss which has not been recognized as a deferred tax asset. According to Costa Rica Corporate Income tax law, under the regime on profits from business activities, net operating losses can offset taxable income in a term of three years. For the years ended December 31, 2017 and 2016, the Company generated net operating losses for an amount of Ps.300,613 and Ps.57,414, respectively, for which no deferred tax asset has been recognized. e) An analysis of consolidated deferred taxes is as follows:
|  | Consolidated statement of financial position |  | Consolidated statement of operations |  | Consolidated statement of financial position |  | Consolidated statement of operations |
Deferred income tax assets: |  |  |  |  |  |  |  |  |
Intangible |  | Ps. | 463,211 |  | Ps. | (18,415 | ) | Ps. | 481,626 |  | Ps. | (16,637 | )
Provisions |  | 351,989 |  | 8,695 |  | 343,294 |  | 56,727 |
Tax losses available for offsetting against future taxable income |  | 343,082 |  | 309,758 |  | 33,324 |  | (25,030 | )
Extension lease agreement |  | 143,135 |  | 41,411 |  | 101,724 |  | 25,405 |
Unearned transportation revenue |  | 35,941 |  | (29,814 | ) | 65,755 |  | 7,039 |
Allowance for doubtful accounts |  | 7,324 |  | 433 |  | 6,891 |  | (2,179 | )
Employee benefits |  | 5,786 |  | 1,222 |  | 4,031 |  | 886 |
Employee profit sharing |  | 2,716 |  | (490 | ) | 3,206 |  | 158 |
|  | 1,353,184 |  | 312,800 |  | 1,039,851 |  | 46,369 |
Deferred income tax liabilities: |  |  |  |  |  |  |  |  |
Supplemental rent |  | 1,563,363 |  | 223,753 |  | 1,339,610 |  | 363,783 |
Rotable spare parts, furniture and equipment, net |  | 476,917 |  | 108,890 |  | 368,027 |  | 103,926 |
Prepaid expenses and other assets |  | 196,152 |  | (239,586 | ) | 435,738 |  | 280,660 |
Inventories |  | 88,169 |  | 15,286 |  | 72,883 |  | 23,979 |
Financial instruments |  | 49,151 |  | — |  | 61,168 |  | — |
Other prepayments |  | 33,269 |  | (7,023 | ) | 40,292 |  | 23,717 |
|  | 2,407,021 |  | 101,320 |  | 2,317,718 |  | 796,065 |
|  | Ps. | (1,053,837 | ) | Ps. | 211,480 |  | Ps. | (1,277,867 | ) | Ps. | (749,696 | )
|  | 2017 |  | 2016 |
Reflected in the consolidated statement of financial position as follows: |  |  |  |  |
Deferred tax assets |  | Ps. | 562,445 |  | Ps. | 559,083 |
Deferred tax liabilities |  | (1,616,282 | ) | (1,836,950 | )
Deferred tax liability, net |  | Ps. | (1,053,837 | ) | Ps. | (1,277,867 | )
A reconciliation of deferred tax liability, net is as follows:
|  | 2017 |  | 2016 |
Opening balance as of January 1, |  | Ps. | (1,277,867 | ) | Ps. | (340,895 | )
Deferred income tax benefit (expense) during the current year recorded on profits |  | 211,480 |  | (749,696 | )
Deferred income tax benefit (expense) during the current year recorded in accumulated other comprehensive income (loss) |  | 12,550 |  | (187,276 | )
Closing balance as of December 31, |  | Ps. | (1,053,837 | ) | Ps. | (1,277,867 | )
At December 31, 2017 and 2016, the table shown above includes deferred income tax asset recognized by Concesionaria and Operaciones Volaris (2017), Comercializadora (2016) for tax losses carry-forwards to the extent that the realization of the related tax benefit through future taxable profits is probable. The Company offsets tax assets and liabilities if and only if it has a legally enforceable right to set off current tax assets and current tax liabilities and the deferred tax assets and deferred tax liabilities relate to income taxes levied by the same tax authority. According to IAS 12, Income Taxes, a deferred tax asset should be recognized for the carryforward of available tax losses to the extent that it is probable that future taxable income will be available against which the available tax losses can be utilized. In this regards the Company has recognized at December 31, 2017, 2016 and 2015 a deferred tax asset for tax losses of Ps.343,082, Ps.33,324 and Ps.58,354 respectively. During 2017, the Company recognized a deferred tax asset for the carryforward of available tax losses of Concesionaria, Comercializadora and Operaciones Volaris, based on the positive evidence of the Company to generate taxable profit related to the same taxation authority against which the available tax losses can be utilized before they expire. Positive evidence includes Concesionaria’s actions to increase its aircraft fleet in the following year, increase in flight frequencies, and routes, inside and outside of Mexico; the profit of Comercializadora and Operaciones Volaris, respectively, is detrived directly from Concesionaria’s operations. An analysis of the available tax losses carry-forward of the Company at December 31, 2017 is as follows:
Year of loss |  | Historical Loss |  | Restated tax loss |  | Utilized |  | Total remaining amount |  | Year of expiration |
2016 |  | 57,414 |  | 57,414 |  | — |  | 57,414 |  | 2019 |
2016 |  | 52,221 |  | 56,573 |  | 16,378 |  | 40,195 |  | 2026 |
2017 |  | 300,613 |  | 300,613 |  | — |  | 300,613 |  | 2020 |
2017 |  | 1,068,498 |  | 1,103,408 |  | — |  | 1,103,408 |  | 2027 |
|  | Ps. | 1,478,746 |  | Ps. | 1,518,008 |  | Ps. | 16,378 |  | Ps. | 1,501,630 |  |  |
A breakdown of available tax loss carry-forward of Controladora and its subsidiaries at December 31, 2017 is as follows:
|  | Historical loss |  | Restated tax loss |  |  |  | Total remaining amount |
|  |  |  | Utilized |  |
Comercializadora |  | Ps. | 52,221 |  | Ps. | 56,573 |  | Ps. | 16,378 |  | Ps. | 40,195 |
Concesionaria |  | 1,067,836 |  | 1,102,726 |  | — |  | 1,102,726 |
Operaciones Volaris |  | 662 |  | 682 |  | — |  | 682 |
Vuela Aviación |  | 358,027 |  | 358,027 |  | — |  | 358,027 |
|  | Ps. | 1,478,746 |  | Ps. | 1,518,008 |  | Ps. | 16,378 |  | Ps. | 1,501,630 |
f) At December 31, 2017 the Company had the following tax balances:
|  | 2017 |
Restated contributed capital account (Cuenta de capital de aportación or “CUCA”) |  | Ps. | 3,737,048 |
CUFIN* |  | 2,558,378 |
*The calculation comprises all the subsidiaries of the Company.

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