Diploma in Translation (DipTrans) HandbookThe Diploma in Translation (DipTrans) was introduced in 1989 as a benchmark of professional standards and has since continued to meet the needs for a high level professional translating qualification.
It is a postgraduate level equivalent qualification intended to test the ability of those who wish to progress into careers as freelance translators or work for corporations worldwide, to a professional standard.
http://www.ciol.org.uk/sites/default/files/Handbook-DipTrans.pdf