64-8 Authorising your agent CWF1 Becoming self employed and registering for National Insurance contributions and/or tax CA5601 Direct Debit Mandate for self-employed people CH2 Child benefit claim form P11D(b) Return of class 1a national insurance contributions due P46 Car provided for the private use of an employee or director VAT1 Application for registration VAT2 Partnership details VAT7 Application to cancel your VAT registration VAT65A Application for refund of VAT VAT68 Request for transfer of a registration number More HM Revenue & Customs Forms