 The Matterhorn Protocol (see below) is a product of the PDF/UA Competence Center.In 2012 and 2013 the PDF Association helped raise money and awareness for NV Access's NVDA to further development of the world's first PDF/UA conforming screen reader.In August 2013 the PDF Association's PDF/UA Competence Center published the Matterhorn Protocol, a set of 31 checkpoints and 136 failure conditions to help software developers make it easier for document authors to create fully accessible PDF files and forms.