Artikel 3

1. The taxes which are the subject of this Agreement are:
a) in Iceland: (i) the income taxes to the state (tekjuskattar ríkissjóðs); and
(ii) the income tax to the municipalities (útsvar til sveitarfélaganna).
(i) the income taxes to the state (tekjuskattar ríkissjóðs); and
(ii) the income tax to the municipalities (útsvar til sveitarfélaganna).
b) in Aruba: (i) the income tax (inkomstenbelasting);
(ii) the wage tax (loonbelasting);
(iii) the profit tax (winstbelasting);
(iv) the dividend withholding tax (dividendbelasting).
(i) the income tax (inkomstenbelasting);
(ii) the wage tax (loonbelasting);
(iii) the profit tax (winstbelasting);
(iv) the dividend withholding tax (dividendbelasting).
2. This Agreement shall also apply to any identical taxes imposed after the date of signature of this Agreement in addition to or in place of the existing taxes. This Agreement shall also apply to any substantially similar taxes imposed after the date of signature of this Agreement in addition to, or in place of, the existing taxes if the competent authorities of the Contracting Parties so agree. Furthermore, the taxes covered may be expanded or modified by mutual agreement of the Contracting Parties in the form of an exchange of letters. The competent authorities of the Contracting Parties shall notify each other of any substantial changes to the taxation and related information gathering measures covered by this Agreement.