Thanks but in the guidance the following notes are written. Can you please read and make a comment? On the other hand people always can make a mistake and want to cancel their forms.
ANNEX A: SPONSORSHIP -- A1. What is a Certificate of Sponsorship? -- 294
A Certificate of Sponsorship is valid when assigned to you and if it has not been used in a previous application where leave has been granted or refused. You can only have one Certificate of Sponsorship assigned to you at a time.
ANNEX A: SPONSORSHIP -- A2. What is a valid Certificate of Sponsorship? -- 296
Examples of when a Certificate of Sponsorship is valid include, but are not limited, to:
1- it has been assigned by a licensed sponsor; and
2- it has the same details on it as in your passport; and
3- it has been assigned no more than 3 months before the date of application; and
4- it has a start date no more than 3 months after the date of application; and
5-it has not been withdrawn or cancelled by the sponsor or by us; and
6-any applicable Immigration Skills Charge has been paid in full by the sponsor.
https://www.gov.uk/government/publicati ... r-2-worker