If your job offer is withdrawn
The way a job offer can be withdrawn depends if the job offer was 'conditional' or 'unconditional'.
If an employer says you cannot apply or rejects you for a job
What to do if you're told you cannot apply for a job, or are rejected for it (for example, after a job interview).
How to get the right person for the job while complying with the law.
Providing a job reference
Acas advice on when an employer has to give a reference and how an employer's reference policy can restrict what they say.