13. 1) Pour le calcul du facteur «gain» (earnings factor) en vue de
la détermination du droit aux prestations prévues par la législation d
u Royaume-Uni, sous réserve du paragraphe 15, cha
que semaine pendant laquelle le travailleur salarié ou non salarié a été soumis à la législation d'un autre État membre et qui a commencé au cours de l'année d'imposition sur le reve
nu de référence, au sens ...[+++] de la législation du Royaume-Uni, sera prise en compte selon les modalités suivantes:13 (1) For the purpose of calculating an earnings factor with a view to determining the right to benefits under United Kingdom legislation, subject to paragraph 15, each week during which an employed or self-employed person has been subject to the legislation of another Member State and which commenced during the
relevant income tax year within the meaning of United Kingdom legislation shall be taken into account in the following way: (a) (i) for each week of insurance, employment, or residence as an employed person the person concerned shall be deemed to have paid contributions as an employed earner on the basis of earnings equivalent t
...[+++]o two-thirds of that year's upper earnings limit;