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CONTINGENCIES AND CAPITAL COMMITMENTS | 12 Months Ended
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Dec. 31, 2022
CONTINGENCIES AND CAPITAL COMMITMENTS [abstract] |
CONTINGENCIES AND CAPITAL COMMITMENTS | 29. CONTINGENCIES AND CAPITAL COMMITMENTS ​ (a) Caylloma Letter of Guarantee ​ The Caylloma Mine closure plan, as amended, that was in effect in January 2021, included total undiscounted closure costs of $18.2 million, which consisted of progressive closure activities of $6.2 million, final closure activities of $9.8 million, and post closure activities of $2.3 million pursuant to the terms of the Mine Closing Law. Under the terms of the current Mine Closing Law, the Company is required to provide the Peruvian Government with a guarantee in respect of the Caylloma mine closure plan as it relates to final closure activities and post-closure activities and related taxes. In 2022, the Company provided a bank letter of guarantee of $10.8 million to the Peruvian Government in respect of such closure costs and taxes. ​ (b) San Jose Letter of Guarantee ​ The Company has established three letters of guarantee in the aggregate amount of $0.9 million to fulfill its environmental obligations under the terms and conditions of the Environmental Impact Statements issued by the Secretaria de Medio Ambiente y Recursos Naturales (“SEMARNAT”) in 2009 in respect of the construction of the San Jose mine, and in 2017 and 2020 with respect to the expansion of the dry stack tailings facility at the San Jose mine. The letters of guarantee expire on December 31, 2023, March 5, 2024, and September 17, 2023, respectively. ​ (c) Other Commitments ​ As at December 31, 2022, the Company had capital commitments of $6.5 million, $1.8 million and $0.1 million for civil work, equipment purchases and other services at the Lindero, Caylloma and San Jose Mines, respectively, which are expected to be expended within one year. ​ Burkina Faso ​ The Company entered into an agreement with a service provider at the Yaramoko Mine wherein if the Company terminates the agreement prior to the end of its term, in December 2023, the Company would be required to make an early termination payment, which is reduced monthly over 30 months, and in certain circumstances, could be required to make other payments that will be negotiated between the Company and the service provider. If the Company had terminated the agreement at December 31, 2022 it would have been subject to an early termination payment of $2.0 million. ​ Côte d’Ivoire ​ As of December 31, 2022, the Company had capital commitments of $14.3 million for the construction of the Séguéla Mine, with $13.9 million expected to be expended within one year. ​ The Company entered into an agreement with a service provider at the Séguéla Mine wherein if the Company terminates the agreement prior to the end of its term, in November 2026, the Company would be required to make an early termination payment, which is reduced monthly over 48 months. ​ If the Company had terminated the agreement on December 31, 2022, and elected not to purchase the service provider’s equipment, it would have been subject to an early termination payment of $19.7 million. ​ If the Company had terminated the agreement on December 31, 2022, and elected to purchase the service provider’s equipment, the early termination amount would be adjusted to exclude equipment depreciation and demobilization of equipment, and only include portion of the monthly management fee and demobilization of personnel. ​ (d) Tax Contingencies ​ The Company is, from time to time, involved in various tax assessments arising in the ordinary course of business. The Company cannot reasonably predict the likelihood or outcome of these actions. The Company has recognized tax provisions with respect to current assessments received from the tax authorities in the various jurisdictions in which the Company operates, and from any uncertain tax positions identified. For those amounts recognized related to current tax assessments received, the provision is based on management's best estimate of the outcome of those assessments, based on the validity of the issues in the assessment, management's support for their position, and the expectation with respect to any negotiations to settle the assessment. Management re-evaluates the outstanding tax assessments regularly to update their estimates related to the outcome for those assessments taking into account the criteria above. ​ Peru ​ The Company was assessed $1.1 million (4.3 million Peruvian soles), including interest and penalties of $0.6 million (2.4 million Peruvian soles), for the 2010 tax year by SUNAT, the Peruvian tax authority, with respect to the deduction of certain losses arising from derivative instruments. The Company has applied to the Peruvian tax court to appeal the assessment. ​ On January 22, 2019, the Peruvian tax court reaffirmed SUNAT’s position and denied the deduction. The Company believes the assessment is inconsistent with Peruvian tax law and that it is probable the Company will succeed on appeal through the Peruvian legal system. The Company has paid the disputed amount in full and has initiated proceedings through the Peruvian legal system to appeal the decision of the Peruvian tax court. ​ As at December 31, 2022, the Company has recorded the amount paid of $1.1 million (4.3 million Peruvian soles) in other long-term assets, as the Company believes it is probable that the appeal will be successful (Note 9). ​ Argentina ​ On August 16, 2022, the Argentine Tax Authority (“AFIP”) published General Resolution No.5248/2022 (the “Resolution”) which established a one-time “windfall income tax prepayment” for companies that have obtained extraordinary income derived from the general increase in international prices. The Resolution was published by AFIP without prior notice. ​ The windfall income tax prepayment applies to companies that meet certain income tax or net income tax (before the deduction of accumulated tax losses) thresholds for 2021 or 2022. The aggregate amount of the windfall income tax prepayment payable by Mansfield calculated in accordance with the Resolution is approximately $5.5 to $6.0 million. ​ The windfall income tax prepayment was to be paid in three equal and consecutive monthly instalments, starting on October 22, 2022, and is payable in addition to income tax instalments currently being paid by corporate taxpayers on account of their income tax obligations. The windfall income tax prepayment is an advance payment of income taxes due to be paid in 2022. ​ Based on the historical accumulated losses of Mansfield for fiscal 2021 which can be carried forward for 2022, Mansfield was not liable for income tax, and based upon current corporate income tax laws and the ability of the Company to deduct historical accumulated losses, it was projected that income tax would not be required to be paid for fiscal 2022. ​ To protect Mansfield’s position from having to pay the windfall income tax prepayment as an advance income tax for 2022, which based on management’s projections is not payable, Mansfield applied to the Federal Court of Salta Province for a preliminary injunction to prevent the AFIP from issuing a demand or other similar measure for the collection of the Windfall Income Tax Prepayment.  On October 3, 2022, Mansfield was notified that the Court had granted the preliminary injunction. As a result, Mansfield did not pay any of the three instalments due in 2022. ​ Mansfield also filed an administrative claim with the AFIP to challenge the constitutionality of the Resolution, which was rejected by AFIP on November 2, 2022. Mansfield has challenged the rejection of its administrative claim, by filing legal proceedings against the AFIP with the Federal Court. On February 15, 2023, the Federal Court granted Mansfield a preliminary injunction in these legal proceedings. ​ (e) Other Contingencies ​ The Company is subject to various investigations and other claims, legal, labor, and tax proceedings covering matters that arise in the ordinary course of business activities. Each of these matters is subject to various uncertainties, and it is possible that some of these matters may be resolved unfavorably for the Company. Certain conditions may exist as of the date these financial statements are issued that may result in a loss to the Company. None of these matters is expected to have a material effect on the results of operations or financial conditions of the Company.

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