Benefits (Taxation) Mr. Rooker asked the Secretary of State for Employment how many copies of form PB4 have been handed to unemployed persons informing them of the intention to tax unemployment benefits. Mr. Alison Leaflet PB4 will be issued to all unemployed claimants by the middle of March. This will be phased to coincide with claimants' attendance at the benefit office and will largely take place between 1 and 12 March. At some offices where, for example, normal attendance arrangements have been modified the leaflet has already been issued. It is not possible to say how many have so far been sent out.