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Income tax and tax loss carryforwards
 12 Months Ended
Dec. 31, 2021
Income tax and tax loss carryforwards [Abstract]  
Income tax and tax loss carryforwards
21
Income tax and tax loss carryforwards
 
Income Tax
 
Results for the year
 
Grupo TMM and Subsidiaries incurred combined tax losses for the years ended December 2021 and 2020, in the amounts of $(159,003) and $(383,647), respectively. Most of the companies that generated taxable income fully offset them against tax losses from prior years. Income tax recognized in profit or loss corresponds to subsidiaries that generated taxable income of $10,349, $36,243 and $48,373, for 2021, 2020 and 2019, respectively.
 
The difference between taxable and book income is due primarily to the net effect of the gain or loss on inflation recognized for tax purposes, the difference between tax and book amortization and depreciation, non-deductible expenses, as well as certain temporary differences reported in different periods for financial and tax purposes.

In accordance with the currently enacted Income Tax Law, the rate for 2019, 2020, 2021, and subsequent years is 30%.

The provision for income tax recognized in the statement of profit or loss for the years ended December 31, 2021, 2020 and 2019, is as follows:
 
   
2021
    
2020
    
2019
  
Income tax
  
$
(7,015
)
  
$
(10,873
)
  
$
(14,512
)
Income tax (agreement) (a)
    
-
      
-
      
(85,196
)
Deferred income tax
    
28,158
      
30,207
      
35,133
  
Total income tax benefit (expenses)
  
$
21,143
    
$
19,334
    
$
(64,575
)
 

 (a)
During 2019, Grupo TMM agreed with the Tax Administration Service to resolve the Company’s outstanding tax liabilities for the fiscal year 2010 through payment of 2.6 million pesos over a period of 36 months beginning in November 2019. As of December 31, 2021, the Company is in negotiations to restructure the agreement.
 
The reconciliation between the provision for income tax based on the statutory income tax rate and the provision recorded by the Company at December 31, 2021, 2020 and 2019, is as follows:
 
   
2021
    
2020
    
2019
  
(Loss) profit before taxes
  
$
(269,197
)
  
$
(422,490
)
  
$
95,867
  
Income tax
    
80,759
      
126,747
      
(28,760
)
Increase (decrease) from:
                        
Difference in depreciation and amortization
    
135,332
      
(86,033
)
    
(180,395
)
Revaluation surplus
    
(88,112
)
    
94,331
      
113,826
  
Materials and supplies
    
13
      
3,625
      
(31,073
)
Inflationary and currency exchange effects on monetary assets and liabilities, net
    
(11,643
)
    
(4,035
)
    
1,236
  
Tax losses amortization
    
60,032
      
82,145
      
19,277
  
Provisions and allowance for doubtful accounts
    
(97,628
)
    
(178,276
)
    
54,214
  
Difference between the tax and book value for the sale of assets
    
(35,950
)
    
(14,276
)
    
(13,133
)
Difference between the tax and book value for the sale of shares of subsidiaries
    
-
      
(104
)
    
97,284
  
Non-deductible expenses
    
(21,660
)
    
(4,790
)
    
(11,855
)
Income tax (agreement)
    
-
      
-
      
(85,196
)
Benefit (provision) for income tax
  
$
21,143
    
$
19,334
    
$
(64,575
)
 
The components of deferred tax liability at December 31, 2021 and 2020, are comprised as follows:
 
   
2021
    
2020
  
Portion of tax loss carryforwards for subsequent years
  
$
336,395
    
$
350,272
  
Inventories and provisions – net
    
17,378
      
41,080
  
Concession rights and property, vessels and equipment
    
(559,949
)
    
(706,976
)
Total deferred tax liability
  
$
(206,176
)
  
$
(315,624
)

As of December 31, 2021, the Company’s Management carried out the evaluation of the amount of tax losses that will be recoverable and determined based on projections that the effect of the deferred tax asset determined in the year will be realized at 41% based on the information available at the date of issuance of the consolidated financial statements.
 
Tax loss carryforwards

As of December 31, 2021, Grupo TMM and its subsidiaries, report the following cumulative tax losses, which are restated applying the National Consumer Price Index (NCPI) factors in accordance with Mexican law.
 
Year in which the
loss was incurrred
  
Amounts
    
Year of expiration
  
2012
  
$
167,067
      
2022
  
2013
    
189,383
      
2023
  
2014
    
182,922
      
2024
  
2015
    
44,315
      
2025
  
2016
    
427,900
      
2026
  
2017
    
123,127
      
2027
  
2018
    
227,835
      
2028
  
2019
    
526,994
      
2029
  
2020
    
480,135
      
2030
  
2021
    
240,502
      
2031
  
   
$
2,610,180