Tier 4 (General) student visas Tier 4 eligibility, how and when to apply, and requesting a CAS. Tier 4 (General) is a visa category suitable for full time study with a licensed ‘sponsor’. See GOV.UK for a register of licensed sponsors. Tier 4 (General) student visas Tier 4 eligibility The requirements you need to meet in order to apply for a Tier 4 visa. Tier 4 Financial requirements You will need to show you have enough money for your living costs and course fees. Confirmation of Acceptance of Studies (CAS) How to request a CAS, which you'll need when applying for the Tier 4 (General) student visa. Applying from outside the UK The visa application process you need to go through in your home country. Masters Tier 4 visa pilot scheme A streamlined application process that requires less documentation for programmes of 13 months or less. Extending your visa Requesting a CAS to continue your studies on a Tier 4 visa. Working while studying Whether or not you can work in the UK will depend upon the type of visa that you have. Working after your studies After your course has ended, you should have a little bit of additional time on your Tier 4 visa to remain in the UK. Replacing a lost visa What to do if you lose your visa inside or outside the UK. Correcting mistakes on your visa We can normally help you to update your visa.