The Peru tax administration (SUNAT) recently published Report No. 186-2016-SUNAT/5D0000 concerning the amortization of intangible assets where the right to use is granted under concession. According to the report, such intangible assets are to be amortized under the rules of Article 22 of the Concessions Law (Supreme Decree 059-96-PCM of 1996). Under the rules, the intangible assets may be amortized based on their useful life or using the straight-line method over the remaining term of the concession. Either way, the annual rate may not exceed 20%.