provided that their application to undertakings as referred to in Article 1(1) ensures equality of treatment on matters listed in the first subparagraph of paragraph 1 of this Article and, where applicable, with regard to the terms and conditions of employment to be guaranteed posted workers in accordance with paragraph 1a of this Article, between those undertakings and the other undertakings referred to in this subparagraph which are in a similar position.
ar choinníoll go n-áirithítear, agus na comhaontuithe nó na dámhachtainí sin á gcur i bhfeidhm maidir le gnóthais dá dtagraítear in Airteagal 1(1), go mbeidh cóir chomhionann ann maidir leis na hábhair a liostaítear sa chéad fhomhír de mhír 1 den Airteagal seo agus, i gcás inarb infheidhme, i ndáil le téarmaí agus coinníollacha fostaíochta a bheidh le ráthú d’oibrithe ar postú i gcomhréir le mír 1a den Airteagal seo, idir na gnóthais sin agus na gnóthais eile dá dtagraítear san fhomhír seo agus ar cosúil a gcás.