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Korea, Republic of Corporate - Tax credits and incentives

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Foreign tax credit

Taxes imposed by foreign governments on income recognised by a resident taxpayer are allowed as a credit within the limit against the income taxes to be paid in Korea, or as deductible expenses in computing the taxable income. The excess foreign tax credit can be carried forward for up to five years.

Indirect foreign tax credit is also available for a Korean parent company in cases where the dividends from a foreign subsidiary are included in the taxable income of the Korean parent company. The conditions on indirect tax credit exclude the overseas grandson subsidiary and raise the shareholding ratio from 10% or more to 25% or more.

Special tax deductions for SMEs

A special deduction on corporate taxes is available for SMEs when they are engaged in a qualified business. The tax deduction ratio ranges from 5% to 30%, depending on corporate location, size, business types, etc., with a cap of KRW 100 million. This incentive is applied to taxable income arising in the tax years that end before 31 December 2020.

Investment incentives

Tax credits are generally available for qualified investment in facilities for productivity enhancement, safety, job-creating investments, etc.

Tax credit for investment in facilities for productivity enhancement

If a resident makes an investment in facilities or equipment to increase productivity by no later than the end of December 2019, then 1% (3% for medium-scale companies and 7% for SMEs) of such investment amount shall be deducted from CIT. The unused tax credit can be carried forward to the next five years.

Tax credit for investment in facilities for safety

If a resident or a domestic corporation makes an investment in a facility (excluding any investment in used assets) for safety that is considered necessary for industrial purposes no later than the end of December 2019, then an amount of 1% (5% for medium-scale companies and 10% for SMEs) of such investment shall be deducted from CIT. The unused tax credit can be carried forward to the next five years.

Tax credit for investment for commercialisation of new growth-engine and core technologies

The amended tax law has introduced a new tax credit in respect of investment in facilities designed to promote the commercialisation of new growth-engine or core technology (e.g. facilities for the manufacturing of new drugs for which patents are obtained by a company based on clinical trials). The tax credit rate is 10% of the amount of investment for SMEs, while the rates are adjusted to 7% for medium-scale companies and 5% for large corporations. This tax credit is applied to investment made until the end of December 2021.

Tax credit for job creation

The STTCL has introduced an employment-promoting tax incentive in respect of new employment depending on the number of increased employees, with certain limits if a company is engaged in businesses except for those that fall under the category of consumption-oriented services (e.g. entertainment and beverage service). The amount of tax credit varies: up to KRW 12 million per new employee for SMEs, up to KRW 8 million for medium-scale companies, and up to KRW 4 million for large companies. The tax credit will be applied to taxable income of the fiscal year of employment and the two subsequent years (for large company, only one subsequent year). The unused tax credit can be carried forward to the next five years. This tax credit will be applicable by the end of the 2021 fiscal year.

Tax credit for increase in corporate payroll

The tax law applies tax credits (5% for large companies, 10% for medium-scale companies, and 20% for SMEs) on the incremental amount in average corporate payroll over a certain base level calculated in a prescribed manner by taking into account either the average corporate payroll over the previous three years or the average payroll increase among the SMEs in Korea. This is conditional on there being no decline in the number of full-time employees from the previous year. The tax credit, which was supposed to terminate by the end of December 2017, has been extended three additional years until the end of December 2020. The unused tax credit can be carried forward to the next five years.

Tax credit for re-hiring retired female employees of SMEs

The tax law allows a tax credit to promote the re-employment of female employees of SMEs who retired for pregnancy, childbirth, or care and other personal reasons as prescribed in the Presidential Decree. The tax credit is designed to allow SMEs to subtract the amount, as much as 30% of labour costs of SMEs (15% for a medium-scale companies) paid per re-hired female employee, from their corporation tax payable for the period of two years following the month of re-employment if prescribed conditions are met. The tax credit applies if a company executes an employment contract until the end of December 2020. The unused credit can be carried forward to the next five years.

Research and development (R&D) tax incentives

The STTCL provides various tax incentives to stimulate R&D activities. These include a tax credit for research and manpower development expenses, a tax credit for technology transfer, and tax credits for merger or acquisition of a technology innovative SME.

Tax credit for development of research and manpower

Companies presently claim a tax credit in relation to qualifying R&D expenditure to the extent of either (i) 0% to 2% (8% for medium-scale companies, 25% for SMEs) of the current R&D expenses or (ii) 25% (40% for medium-scale companies, 50% for SMEs) of the incremental portion of the current R&D expenses over the previous year. The incremental method can be applied only when the R&D expenses for the prior year exceed the average R&D expenses for the previous four years. However, for the R&D expenditures in qualified new growth engine and core technology areas designated in the presidential decree, the preferred credit rates are applied 20% to 40%, depending on the type of company. The unused credit can be carried forward to the next five years.

Tax credit for technology transfer among SMEs (Korean patent box regime)

Tax credit and reductions have been introduced to facilitate the transfer of technology between companies so as to enhance technical competencies and the recovery of funds invested in technology more efficiently. CIT on income derived by SMEs and specified medium-scale companies from the transfer of patents, etc. to a Korean national is reduced by 50%. The tax law grants a 25% tax credit for income derived by SMEs and medium-scale companies from the leasing of patents or utility model rights where the company has first filed a registration of such rights. This temporary credit is applicable to transfers or leases taking place until the end of December 2021. The unused credit can be carried forward to the next five years.

Tax credit for merger or acquisition of a technology innovative SME

In cases where a domestic company merges with a technology innovative SME in a qualified manner, the merger company shall be permitted to take a 10% tax credit with respect to the payment made in such a merger, up to the value of the acquired technology. This 10% tax credit will also be available for a company that acquires shares in a technology innovative SME in a qualified manner no later than the end of December 2021. In this case, if any of requirements for a qualified manner fails to be met, the amount of tax credited will be collected. The unused credit can be carried forward to the next five years.

Energy/environmental incentives

Tax credit for investment in energy-saving facilities

If a resident makes an investment (excluding any investment in used goods) no later than 31 December 2021 in energy-saving facilities, 1% (3% for medium-scale companies, 7% for SMEs) of such investment shall be deducted from CIT. The unused tax credit can be carried forward five years.

Tax credit for investment in facilities for environmental protection

If a resident makes an investment (excluding any investment in used goods) in any facility for the purpose of environmental conservation no later than 31 December 2021, then 3% (5% for medium-scale companies, 10% for SMEs) of the investment amount shall be deducted from CIT. The unused tax credit can be carried forward five years.

Inbound investment incentives

 The Korean government intends to embrace the BEPS initiatives taken by the OECD. In the tax reform for 2019, most of inbound incentives and benefits available for foreign direct investment have been abolished.  They include 100% exemption from individual or corporate income tax for the first five years and a 50% reduction in such taxes for the following two years in proportion to the foreign shareholding ratio for foreign-invested companies that engage in certain qualified high-technology businesses and foreign investors in specially designated areas such as foreign investment zones, free economic zones, free trade zones and strategic industrial complexes exclusively developed for foreign invested companies.

However, the existing local tax and indirect tax incentives will be sustained for qualifying foreign investors. They will continue to enjoy the exemption from local taxes such as the acquisition tax and the property tax on the property acquired and owned for up to 15 years as well as the exemption from customs duties, VAT, and individual consumption tax on imported capital goods.

Last Reviewed - 18 December 2018

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