To start this process, file a Petition for Assignment with the probate court in the county where the decedent lived. Keep copies for your own record.If multiple beneficiaries are assigning their portions of proceeds, all such beneficiaries must complete and sign the Assignment of. To use the Petition and Assignment Method, you'll have to fill out Form PC 556m and Form PC556o and Form MC 97. Only an heir or the individual who paid the funeral bill may file this petition. Filing. This video will guide you in filling out form PC 556 which is a petition in order for assignment. Form PC-556 must be filled out completely on both sides.