For students studying in British universities, CAS is the electronic admission notice of British universities, which is a special electronic reference number issued by British universities to students. Applicants need to provide qualified materials instead of unconditional admission. After obtaining the unconditional offer, they will confirm the admission and pay the tuition deposit to the school, and then the CAS will be issued by the British university. In this case, it will take about a week.
British universities generally require paying tuition fees or tuition deposit in advance. When the tuition fee is paid, the offer is still within the validity period, which generally requires confirmation within 4-6 weeks. The full name of cas in Britain is ConfirmationOficiality for Studies. This is an electronic admission notice issued by British universities to overseas students, which is mainly used for visa processing for international students in the UK.
If you get a conditional admission, you need to provide qualified materials in exchange for unconditional admission, and then exchange CAS according to the process, which takes about 5-7 days. Deadlines for awarding CAS by British universities vary, mostly in August. Generally speaking, the deadline of better schools is earlier. For example, the London School of Economics and Political Science is usually published in mid-April.