If you need to provide a self-certification form to your employer for sickness you can either enter the details online and then print off the completed form from the first link below.  The second link enables you to download the form and complete it by hand.

1. Complete the form online and print the completed form using:
https://public-online.hmrc.gov.uk/lc/content/xfaforms/profiles/forms.html?contentRoot=repository:///Applications/PersonalTax_iForms/1.0/SC2&template=SC2.xdp

2. Click here to download the form to complete by hand.