A range of UK Government security checks including Police National Computer (PNC) and Warnings Index are carried out on people from Ukraine applying for a Visa.
Cynhelir amrywiaeth o archwiliadau diogelwch gan Lywodraeth y DU, gan gynnwys Cyfrifiadur Cenedlaethol yr Heddlu a'r Mynegai Rhybuddion, ar bobl o Wcráin sy'n gwneud cais am Fisa.