When you arrive at the Register of Wills office:
1.  Completed Petition of Grant of Letters
2.  Original will and Codicil and one (1) photocopy of Will and Codicil (if applicable)
3.  Witness if will is not self-proved will.
4.  Death Certificate
5.  Renunciations (if applicable)
6.  Fees for recording

Within three (3) months of date of death:
1.  Prepayment of inheritance tax if discount is to be obtained

Within three (3) months of grant of letters:
1.  Rule 5.6 certification of notice to heirs

Within nine (9) months of date of death:
1.  REV-1500 Inheritance Tax Return in duplicate with copy of will (if applicable).  Filing fee may be applicable.
2.  Pay inheritance tax
3.  File inventory

Within two (2) years of date of death and annually until complete:
1.  Rule 6.12 status report