(1) When any of the following income is included in global income, the amount equivalent to the amount calculated by multiplying the calculated tax on global income by the ratio of the relevant wage and salary income or the relevant business income to the amount of global income shall be reduced or exempted from the calculated tax on global income: <Amended by Act No. 11611, Jan. 1, 2013>
1. Pay received by a foreigner dispatched to the Republic of Korea according to an agreement between the governments from the governments of both parties or the government of one party;
2. Income received by a resident who does not have Korean nationalty from an overseas navigation business of ships or airplanes prescribed by Presidential Decree: Provided, That this shall only apply where the same exemption applies to ships or airplanes that a Korean national operates in the country of nationality of such resident.
(2) Except as otherwise provided expressly by any Act other than this Act, paragraph (1) shall apply mutatis mutandis to the reduction or exemption of the calculated income tax, even where income tax is reduced or exempted under such Act.[This Article Newly Inserted by Act No. 9897, Dec. 31, 2009]