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INCOME TAXES: | 9 Months Ended
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Sep. 30, 2023
INCOME TAXES: |
INCOME TAXES: | NOTE 4 — INCOME TAXES: ​ The income tax provision and the effective income tax rate for the nine-month periods ended September 30, 2023 and 2022 consisted of (in millions):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2023 |  | 2022 | ​
Statutory income tax provision | ​ | $ | 985.8 | ​ | $ | 972.7 | ​
Peruvian royalty | ​ |  | 30.2 | ​ |  | 24.7 | ​
Mexican royalty | ​ |  | 102.5 | ​ |  | 97.9 | ​
Peruvian special mining tax | ​ |  | 51.7 | ​ |  | 41.7 | ​
Total income tax provision | ​ | $ | 1,170.2 | ​ | $ | 1,137.0 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Effective income tax rate | ​ | ​ | 36.9 | % | ​ | 39.5 | %
​ 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 2023 compared to the same period in 2022 was primarily attributable to additional tax expense recorded in 2022 for uncertain tax positions in the Peruvian jurisdiction. ​ Peruvian royalty and special mining tax: The Company has accrued $81.9 million and $66.4 million of royalty charge and special mining tax as part of the income tax provision for the nine months of 2023 and 2022, respectively. ​ Mexican mining royalty: The Company has accrued $102.5 million and $97.9 million of royalty taxes as part of the income tax provision for the nine months of 2023 and 2022, respectively. ​ Accounting for uncertainty in income taxes: The Company effectively settled the 2017 through 2018 IRS audit on July 20, 2023. The decrease in unrecognized tax benefits from the audit settlement had no material effect on the Company’s financial statements. ​ In the first nine months of 2023, the Company recorded a receivable, current liability and non-current liability for the Peruvian jurisdiction that increased the tax expense by approximately $15.8 million and a non-current liability for the Mexican jurisdiction that increased the tax expense by approximately $26.5 million. The Company’s current assets and current liability for uncertain tax positions constitute a net liability in the Peruvian jurisdiction of $25.6 million and represent anticipated cash refunds or payments within 12 months.

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- Definition The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480990/946-20-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//740/tableOfContent Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-14 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-21 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 270 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482526/740-270-50-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 17 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-17 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I.5.Q1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479360/740-10-S99-1 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 11.C) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479360/740-10-S99-2 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482603/740-30-50-2 + Details
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