§ Matthew Taylor
To ask the Chancellor of the Exchequer if he will estimate how long it takes on average to(a) complete and (b) process the application form for child tax credit; and whether his Department has a target for the number of applications to be processed. 
§ Dawn Primarolo
The time taken to complete a tax credits claim form will depend on the particular circumstances of the claimant. Claims for which no further information is required, and which pass the various pre-award checks, go through the stages of calculating the award quickly and will normally be in payment within a few days.
The form was subjected to rigorous usability testing before being introduced. This testing involved a sample number of existing tax credit recipients.