Artikel 60

1. In the contingency referred to in sub-paragraph a of Article 58 invalidity benefit shall take the form of periodical payments calculated in accordance with the provisions of either Article 71 or Article 72.
2. Notwithstanding the provisions of the foregoing paragraph, the periodical payments may be calculated in accordance with Article 73 by any Party whose legislation protects all residents without making entitlement to invalidity benefit conditional on the completion of any qualifying period.
3. In the contingency referred to in subparagraph b of Article 58 invalidity benefit shall take the form of periodical payments calculated in accordance with the provisions of either Article 72 or Article 73.
4. In the contingency referred to in sub-paragraph c of Article 58 benefits shall include:
a) cash allowances for education or adaptation; or
b) specific measures to assist progress at school or at work, or additional grants.
5. Where a contingency covered arises, the benefit referred to in paragraphs 1 and 3 of this article shall be guaranteed at least:
a) to protected persons who, in accordance with prescribed rules, have completed a period of fifteen years of contributions, occupational activity or residence, including any period considered as such; or
b) to protect persons who, in accordance with prescribed rules, have completed a period of thirty years of contributions, occupational activity or residence, including any period considered as such, where the period separating the contingency covered and a prescribed age is taken into account as a notional period for the purpose of calculating the benefit; or
c) where, in principle, all economically active persons are protected, to protected persons who, in accordance with prescribed rules, have completed a period of three years of contributions and in respect of whom the prescribed yearly average number, yearly number or yearly average amount of contributions paid in the course of their working life has reached a prescribed figure.
6. Benefit, which may be reduced in proportion to the period of contribution, occupational activity or residence completed, shall be paid to protected persons who, under prescribed conditions, have completed a period shorter than that specified in the foregoing paragraph.
7. The requirements of paragraph 5 of this article shall be deemed to be complied with where benefit is fixed as a percentage often units less than that shown in the schedule appended to Part XI and is guaranteed at least to protected persons who have completed, in accordance with prescribed rules, a qualifying period not exceeding twelve months.
8. In addition, each Party shall provide increased or special benefit, under prescribed conditions, for beneficiaries whose condition necessitates the constant attendance of another person.
9. Each Party's legislation shall determine the conditions in which the periodical payments referred to in paragraphs 1 to 3 of this article shall be reviewed, suspended or cancelled in the light of changes which may have occurred in the extent of the incapacity.