A death certificate is an official document that states the cause and details of someone's death. It is issued by medical professionals or authorities to confirm that a person has passed away. Full definition
Some of the requisite documents include original policy document, counter signed claim form, address proof of the nominee, copy of death certificate issued by local authority, etc.. (policybazaar.com)
I also couldn't shake the hundreds of death certificates from pneumonia, some «subsequent to influenza,» that I'd uncovered in my quest for my great - grandmother's passing. (bookpage.com)