asked the Chancellor of the Exchequer what representations he has received from the Construction Industry Manpower Board concerning the introduction of the new style tax certificates for subcontractors in the construction industry.

None.

asked the Chancellor of the Exchequer what is the average length of tune for which a new style subcontractor's tax certificate is valid.

The certificates are now normally valid for three years, but, in order to spread the work on renewals, those issued initially were valid for periods of between 13 months and three years.