Your sponsor duties when assigning a certificate of sponsorship
When you assign a certificate of sponsorship, you guarantee that the migrant:
intends to do voluntary work directly related to the purpose of your charity sponsoring them;
will not be paid or receive other remuneration for their work (with the exception of reasonable expenses outlined in section 44 of the National Minimum Wage Act which you can find a link to on the right side of this page);
will not take up a permanent position; and
will comply with the conditions of their permission to stay and leave the United Kingdom when it expires.