The hosting department or college will submit a Tier 5 CoS request to the Staff Immigration team. Once SIT are satisfied that all the necessary requirements have been met, a Tier 5 Certificate of Sponsorship will be issued to the visitor.
The individual submits a visa application to the Home Office for themselves and any dependants (partner, children under the age of 18) to be granted the Tier 5 visa.
The Tier 5 visa application page provides further details on the visa requirements to be met, which can include tuberculosis screening and maintenance funds.