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Practical Manual for Companies 2023.

Taxable base: general questions

1. Subject

Article 10 of the LIS establishes that the taxable base consists of the amount of income obtained in the tax period reduced by the offset of negative taxable bases from previous tax periods.

2. Methods of determination

The tax base will be determined by the following methods:

  • Direct estimation

    The tax base is calculated by correcting through the application of the provisions established in the Corporate Income Tax Law, result determined in accordance with the rules provided for in the Commercial Code, in other laws relating to said and in the provisions issued in development of the aforementioned rules.

  • Objective estimate

    The tax base may be determined in whole or in part by applying the signs, indexes or modules to the sectors of activity determined by the Corporate Tax Law.

    This method applies to entities that are covered by the special regime for shipping entities based on the tonnage regulated in Chapter XVI of Title VII of the LIS (see Chapter 10 of this Practical Manual).

  • Indirect estimation

    The application of this method is subsidiary , and may only be used under the terms established by article 53 of Law 58/2003, of December 17, General Tax Law.