Access NI (Northern Ireland) Guidance for musicians working with vulnerable groups on a regular basis. Last updated: 20 January 2021 Working with children or vulnerable adults? AccessNI supplies criminal history information (also known as a disclosure) to organisations and individuals upon request, to help them make safer recruitment decisions. You are required to get an AccessNI check if your work involves close or regular contact with children or vulnerable adults. The three levels of check undertaken by AccessNI are basic, standard and enhanced. For more information visit AccessNI.