Bidders should have the choice to prove compliance with the requirements defined either by using appropriate ethical trade labels/certifications or by other means.
Ba cheart go mbeadh sé de rogha ag tairgeoirí achruthú go gcomhlíonann siad na ceanglais ashainmhínítear trí lipéid / dheimhnithe trádála eiticiúla cuí aúsáid nó ar mhodhanna eile.