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Circular No. 20/2026/TT-BTC provides for:
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Dossiers for expenditures eligible to be included in deductible expenses as prescribed at Points b and c, Clause 1, Article 9 of the Law on Corporate Income Tax.
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Dossiers for enjoying tax incentives in the cases specified in Articles 4, 13, 14 and 15 of the Law on Corporate Income Tax.
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The time of determining taxable revenue for corporate income tax purposes in certain cases as prescribed at Point c, Clause 2, Article 8 and Clause 3, Article 12 of Decree No. 320/2025/ND-CP.
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Tax declaration and payment dossiers of Vietnamese enterprises investing overseas in respect of income derived from overseas investment projects as prescribed at Clause 2, Article 12 of Decree No. 320/2025/ND-CP.
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Corporate income tax applicable to foreign enterprises doing business in Vietnam as prescribed in Article 2, Clause 4, Article 3 and Clause 3, Article 12 of Decree No. 320/2025/ND-CP.
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Registration of investment capital for the implementation of expansion investment projects as prescribed in Article 20 of Decree No. 320/2025/ND-CP.
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Tax obligations in cases where fixed assets formed from the science and technology development fund, which have not been fully depreciated and are transferred to serve the enterprise’s production and business activities; and the form of report on the appropriation and use of the science and technology development fund as prescribed at Clause 4, Article 22 of Decree No. 320/2025/ND-CP.
Circular No. 20/2026/TT-BTC applies to organizations and individuals relevant to the above-mentioned scope of regulation.
This Circular takes effect from March 12, 2026 and applies from the corporate income tax period of 2025.
