Decree-law nr. 98/2015 of 2 of June of 2015 has incorporated the Directive nr. 2013/34/EU of the European Parliament in the Portuguese law. The new rules are applicable to the tax years beginning on or after the 1st of January of 2016.

Besides some quite specific changes in some accounting rules or adjustments in some designations, since 2016 there are 4 thresholds of entities according to their dimension.