The Pennsylvania REV-346 -- Estate Information Sheet is a form used to collect information about an estate in Pennsylvania. It is required to be completed and filed with the Register of Wills in Pennsylvania when someone dies. There are three different types of Pennsylvania REV-346 -- Estate Information Sheet: the short form, the long form, and the supplemental form. The short form is the most commonly used and is used for estates that do not have a taxable estate. It requires the following information: the personal representative's name, address, and contact information; the decedent's name, address, and cause of death; and the name and address of any attorney representing the estate. The long form is used for estates with a taxable estate. It requires the same information as the short form as well as additional information such as the decedent's marital status, the date of death, the surviving spouse's name, the value of the estate, and any assets subject to federal or state estate tax. The supplemental form is used to supplement the information included on the short or long form. It requires information such as the decedent's Social Security number, the date of the decedent's marriage, and the date of any divorce. It also requires information about any trusts established by the decedent. In summary, the Pennsylvania REV-346 -- Estate Information Sheet is a form used to collect information about an estate in Pennsylvania. There are three different types of this form: the short form, the long form, and the supplemental form. Each form collects different types of information depending on the size and complexity of the estate.