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Other accounts payable (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Current |  |  |
Mining royalties, interests and penalties 2006-Sept. 2011 (a) | [1] | $ 97,263 | $ 36,113
Other |  | 3,991 | 4,069
Total current |  | 33,689 | 39,261
Non-current |  |  |
Mining royalties, interests and penalties 2009-Sept. 2011 (b) | [2] | 215,070 | 33,424
Total other accounts payable |  | $ 316,324 | $ 73,606
[1] | As of December 31, 2018, represents the current portion of the monthly payments of the new installment programs approved by SUNAT which the Company will start paying in second-quarter 2019, related to disputed mining royalties for the period January 2009 through September 2011 of US$23.8 million and interest, deferral interest and penalties of US$41.4 million. The current amount also includes the remaining monthly payments of the installment program approved by SUNAT related to disputed mining royalties for the years 2006 to 2008 of US$13.2 million and interest and penalties of US$18.9 million (see Note 13(d)).
[2] | As of December 31, 2018, represents the non-current portion of the monthly payments of the new installment programs related to disputed mining royalties for the period January 2009 through September 2011 of US$85.5 million and interest and penalties of US$129.6 million (see Note 13(d)).

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