Under certain conditions a staff member who is employed under a Certificate of Sponsorship must report to UKVI.
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If you have a member of staff who is employed under a Certificate of Sponsorship, under the terms of its licence from UKVI the University must report to UKVI if:
the member of staff does not turn up for their first day of work
the member of staff is absent from work for more than ten working days, without the University's reasonably granted permission
the employment ends (due to resignation or dismissal or the termination of registration required to work in the UK with a governing body)
sponsorship ceases for any other reason (for example, the member of staff switches into an immigration route that does not require a sponsor)
there are any significant changes to the employment circumstances, for example, a change of job or salary (but not job title or annual pay rise) or a change in the location of work
the University has information which suggests the member of staff is breaching the conditions of their leave.