You'll need the person's Social Security number and certified copies of their death certificate for most agencies and programs. Social Security and Medicare.We'll need a photocopy of the death certificate to verify the identity and legal residence of your loved one as well as confirm date of death. In Washington, a valid and signed Will must be filed with the Superior Court, usually in the deceased's county of residence, within 30 days of the death. Often you can get them from the local Department of Health office in the county where the death occurred, or from the Washington State Department of. Health. Checklist for completing the Death Certificate Order Form: â–¡ Complete all fields on the death certificate order form, sign, and date. This provision gave noncitizens the ability to seek an immigration benefit through a deceased qualifying relative in certain circumstances. You are required to bring the following forms and documents in support of your visa application. Please see our SlideShare presentation for tips and guidance. General Information.