This page explains what a certificate of sponsorship is, including the difference between a live and valid certificate under Tier 2 General of the points-based system to work in the United Kingdom.
A certificate of sponsorship is not an actual certificate or paper document, but is a unique reference number, which holds information about the job and your personal details.
Your sponsor will give you your certificate of sponsorship reference number. They will also need to give you some of the information they used to assign the certificate for you to use the point-based calculator and apply, for example, the wage of the job.
Having a certificate of sponsorship alone does not mean you will be successful in applying to come or stay in the United Kingdom. You must meet the requirements of the tier and category you are applying under as well.
Sponsors assign certificates using the sponsorship management system, and you can only have one live certificate of sponsorship in the system at any one time. A live certificate of sponsorship is one that the sponsor has assigned to you, but that you have not used yet to apply.
If you have given your personal details to a prospective sponsor and that sponsor assigns a certificate of sponsorship to you, then no other sponsor can assign a certificate of sponsorship to you during the time the certificate gives you permission to come or stay. So it is very important that you only give your personal details to a sponsor you intend to work for.
Your certificate of sponsorship must:
The certificate of sponsorship will run out if it is not used by you to apply within three months of the sponsor assigning it to you. If you apply using a certificate of sponsorship that has run out, your application will be refused. You must get a new certificate of sponsorship from your sponsor.
An IT system used by organisations that sponsor migrants under the points-based system. It allows sponsors to allocate certificates of sponsorship to migrants, carry out the administrative functions necessary to comply with their sponsor obligations and duties, and communicate information to us.