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Practical Income Manual 2021.

Article 35 LIS "Deduction for research and development and technological innovation activities"

Note: It should be taken into account that, in accordance with the provisions of article 68.2 of the Personal Income Tax Law , deductions for research and research activities are applicable to personal income tax taxpayers who carry out economic activities. technological development and innovation of article 35.1 and 2 of LIS , with exception of the provisions of section 2 of article 39 of the LIS , that is, they may not, optionally, be excluded from the joint limit of 50 per 100, nor apply said deductions with a discount of 20 per 100 of their amount when certain requirements are met nor, finally, request, in case of insufficient quota, its payment to the Administration in the terms determined by the LIS .

The most relevant modalities and aspects to examine in the deduction for research and development and technological innovation activities of article 35 of the LIS are the following:

  1. A. Deduction for Research and Development activities (art. 35.1 LIS)
  2. B. Deduction for technological innovation activities (art. 35.2 LIS)
  3. C. Exclusions and prior assessment of expenses