Artikel 18

1. A person eligible for a benefit according to subparagraph 1(a)(i)(B) of Article 2 and who was employed and/or self employed in the Netherlands during at least one year shall, subject to paragraphs 2 and 3, be entitled to the Netherlands' invalidity insurance for employees or the self-employed.
2. The benefit shall be determined:
a) according to the Netherlands' Disability Act (WAO) in any case where the person was employed, at the moment the incapacity for work followed by invalidity occurred; and
b) according to the Netherlands' self-employed persons Disability Benefits Act (WAZ) in any case where the person was, in the year prior to the occurrence of the incapacity for work followed by invalidity, lastly a self-employed person.
3. The benefit established according to this Article shall be multiplied by a factor, of which the numerator consists of the total period in months in which the person was employed and/or self-employed in the Netherlands and the denominator consists of the period in months between the age of 15 and the moment the incapacity for work followed by invalidity occurred.