Expenses and benefit returns forms P11D, P9D and Class 1A return and employer's declaration form P11D(b) for 2009/10 are due to reach HMRC no later than 6 July 2010. Penalties may be charged for forms submitted late.
Employees must also be given a copy of their P11D or details of the information that it contains by the same.
The forms can be submitted online using the PAYE online for employers service or in paper format. To download the forms, click here.