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Practical Income Manual 2021.

For investments made in entities listed on the alternative stock market

Regulations: Art. 17 Text Recast of the legal provisions of the Community of Madrid regarding taxes transferred by the State, approved by Legislative Decree 1/2010, of October 21.

Amount and maximum limit of the deduction

  • 20 percent of the amounts invested in the year in the acquisition of shares corresponding to capital increase processes or public offering of securities, in both cases through the companies segment in expansion of the Alternative Stock Market approved by Agreement of the Council of Ministers of December 30, 2005 .

  • The maximum limit of the deduction is 10,000 euros.

Requirements for applying the deduction

  • That the shares or participations acquired be held for at least two years .

    This deduction will be applied to those investments with the right to deduction that are made after February 23, 2010.

  • That the participation in the entity to which the shares or participations correspond is not greater than 10 percent of the share capital during the two years following their acquisition.

  • The company in which the investment occurs must have, for the two years following the investment, its registered office and tax address in the Community of Madrid, and must not have as its main activity the management of movable or real estate assets , in accordance with the requirements established in article 4.Eight.Two.a) of Law 19/1991, of June 6, on Wealth Tax.


This deduction will be incompatible, for the same investments, with the deduction "For investment in the acquisition of shares and social participations of new or recently created entities" mentioned above.

Note: Taxpayers entitled to the deduction must complete the section "Additional information to the regional deduction of Aragón, Galicia, Madrid or Murcia for investments in entities listed on the Alternative Stock Market" of Annex B.8 of the declaration in which, In addition to the amount of the investment with the right to deduction, the NIF of the entity must be stated and, if it exists, that of the second entity, indicating the total amount of the deduction for investments in entities listed on the Alternative Stock Market in the corresponding box.