You may not be able to get a visa for 3 years if affected by risk factors 3-year visa ban – if you have applied for a temporary visa you may need to meet certain public interest or PIC criteria. If you already have a visa and your visa is cancelled, or if you remain in Australia without a visa (as an illegal citizen) or if you leave Australia while taking your C or D or E exam If you are affected by one risk factor, you may be prevented from applying for another visa The 3-year visa ban is called a period Exclusion periods are periods of time when you cannot get another visa if a 3-year visa ban applies to you. This does not prevent you from applying for a valid visa.