On 30 September 2009 the remaining old style certificates of competency, issued prior to 1995, expired. Anyone still holding an old style certificate that has not been transferred to a licence to perform high risk work must not perform the work on that certificate.
This guidance note on:
expiry dates of the old style certificates
transitioning from the no longer valid crane chasers certificate (CCC) to a dogging class of a licence to perform high risk work