You must pursue your claim with the ombudsman within six months of receiving the final rejection letter.
Times, Sunday Times
We rigorously pursue the claim.
Times, Sunday Times
Employees and applicants for employment who believe that an employer has violated a federal civil rights law must pursue their claim according to a specific procedure.
Christianity Today
You were right to pursue your claim.
The Sun
Not surprising because, when you heard the bank's firm refusal on the telephone, you did not pursue a claim.
Times, Sunday Times