Confusedperson

Hello, I received an event chargeable certificate for a deceased family member. The certificate was sent to me. Do I put this on my own personal tax return, or I need to put this on the tax return of the deceased person. If it is the deceased persons tax return, how do I go about notifying HMRC that I need to do a deceased persons tax return? Could I do this by sending a letter with a copy of the event chargeable certificate & wait for HMRC to contact me? Thanks in advance, I somehow confused on this?

Hello, I am a little bit confused. I have received a chargeable event certificate for our deceased relative. The letter is addressed to me, £12159.00. chargable gain, tax treated as paid £2512.00. Does this need to go on my own personal tax return or my late relatives? If this goes on my own, that is okay, I have worked out where this is placed on the form. If it goes on my late relatives, do I need to call the tax office or wait unit they contact me?