“HMRC has published updated forms and guidance notes:

• C1 – Confirmation Inventory
• C2 – Inventory continued
• C5(2006) – Return of estate information
• C5(OUK)(2006) – Return of estate information(Person domiciled abroad & their UK assets consisted of cash/and or quoted stocks & shares only, gross value less than £150,000)
• C5(SE)(2006) – Information about small estates
• C3(2006) – Notes to help you fill in form C1 Confirmation Inventory and form C5(2006) HM Revenue & Customs return
• Integrated Inventory – contains form C1 confirmation and form C2 continuation

Forms C5(OUK)(2006) and C5(SE)(2006) are now online only forms.”

More on this can be found here.