As highlighted above the business case also relied on other evidence including the UK Government call for evidence on improving broadband for very hard to reach premises.
Fel y nodwyd uchod, roedd yr achos busnes hefyd yn dibynnu ar dystiolaeth arall, gan gynnwys galwad Llywodraeth y DU am dystiolaeth ar wella band eang ar gyfer adeiladau anodd iawn eu cyrraedd.