The evidence required for self-employment income is as follows:

• photocopy of a letter from your and/or your partner’s accountant confirming your income from self-employment or a photocopy of HM Revenue & Custom’s tax calculation
  
  or
  
  
• if you are a company director, a photocopy of your P60, P11D or independent
  confirmation of your earnings and director’s fees from a chartered or certified
  accountant