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INCOME TAXES:
6 Months Ended
Jun. 30, 2021
INCOME TAXES:  
INCOME TAXES:

NOTE 4 — INCOME TAXES:

The income tax provision and the effective income tax rate for the first six months of 2021 and 2020 consisted of (in millions):

    

2021

    

2020

Statutory income tax provision

$

956.4

$

406.8

Peruvian royalty

 

38.9

 

4.3

Mexican royalty

 

107.9

 

21.4

Peruvian special mining tax

 

52.0

 

13.7

Total income tax provision

$

1,155.2

$

446.2

Effective income tax rate

40.6

%

48.2

%

These provisions include income taxes for Peru, Mexico and the United States. The Mexican royalty, the Peruvian royalty and the Peruvian special mining tax are included in the income tax provision. The decrease in the effective income tax rate in 2021 compared to the same period in 2020 was primarily attributable to a movement in exchange gains and losses from the strong depreciation of the Mexican peso against the U.S. dollar in 2020.

Peruvian royalty and special mining tax: The Company has accrued $65.4 million and $16.7 million of royalty charge in the first six months of 2021 and 2020, respectively, of which $38.9 million and $4.3 million were included in income taxes in 2021 and 2020, respectively.

The Company has accrued $52.0 million and $13.7 million of special mining tax as part of the income tax provision for the first six months of 2021 and 2020, respectively.

Mexican mining royalty: The Company has accrued $107.9 million and $21.4 million of royalty taxes as part of the income tax provision for the first six months of 2021 and 2020, respectively.

Accounting for uncertainty in income taxes: The Company effectively settled the 2014 through 2016 IRS audit on April 14, 2021. The decrease in unrecognized tax benefits from the audit settlement had no material effect on the Company’s financial statements.