Source: https://www.tweedekamer.nl/downloads/document?id=efaa4c80-d8b2-436f-b069-49b1126b1d43&title=Motie%20van%20de%20leden%20Pieter%20Heerma%20en%20Wiersma%20over%20de%20rol%20die%20het%20niet%20spreken%20van%20de%20Nederlandse%20taal%20speelt%20bij%20de%20beoordeling%20van%20arbeidsongeschiktheid.pdf