Artikel 2

1. This Convention shall apply to taxes on income and on capital imposed on behalf of a Contracting State or of its political or administrative subdivisions or local authorities, irrespective of the manner in which they are levied.
2. There shall be regarded as taxes on income and on capital all taxes imposed on total income, on total capital, or on elements of income or of capital, including taxes on gains from the alienation of movable or immovable property, taxes on the total amounts of wages or salaries paid by enterprises, as well as taxes on capital appreciation.
3. The existing taxes to which the Convention shall apply are in particular:
a) in Portugal: (i) Imposto sobre o Rendimento das Pessoas Singulares – IRS (the personal income tax);
(ii) Imposto sobre o Rendimento das Pessoas Colectivas – IRC (the corporate income tax); and
(iii) Derrama (the local surtax on corporate income tax);
(i) Imposto sobre o Rendimento das Pessoas Singulares – IRS (the personal income tax);
(ii) Imposto sobre o Rendimento das Pessoas Colectivas – IRC (the corporate income tax); and
(iii) Derrama (the local surtax on corporate income tax);
4. The Convention shall apply also to any identical or substantially similar taxes which are imposed after the date of signature of the Convention in addition to, or in place of, the existing taxes. The competent authorities of the Contracting States shall notify each other of any substantial changes which have been made in their respective taxation laws.