beta This part of GOV.UK is being rebuilt – find out what beta means

HMRC internal manual

PAYE Manual

PAYE operation: incapacity benefit: form P45(IB)

When Incapacity Benefit ceases, form P45(IB) is issued by the Department for Work and Pensions. Parts 1a, 2 and 3 are sent to the claimant and are identical to the normal form P45.