Section 39-19-107 - Compliance; collection procedures(a) Returns, reports. The personal representative of an estate, a portion of which constitutes Wyoming gross estate, shall file with the department a duplicate of all federal estate tax returns and notices required to be made to the federal authorities and pay the Wyoming estate tax to the department. If, subsequent to payment of the Wyoming estate tax it appears that additional estate tax is due Wyoming or an overpayment has been made, the department shall assess and collect the additional tax due or authorize a refund of the overpayment to the taxpayer. (b) Payment. Returns shall be filed and Wyoming estate tax paid at the time federal estate tax returns are required to be filed and federal estate taxes paid under the laws of the United States, including any extensions of time for filing or payment granted by the federal authorities. If, subsequent to payment of the Wyoming estate tax it appears that additional estate tax is due Wyoming or an overpayment has been made, the department shall assess and collect the additional tax due or authorize a refund of the overpayment to the taxpayer. Any tax liability under W.S. 39-19-101 through 39-19-111 becomes, from the time the tax liability is due and payable, a debt of the taxpayer to the state, to be recovered in an action on this title. The attorney general may bring an action at the request of the department in the name of the state to collect any tax liability of any taxpayer under W.S. 39-19-101 through 39-19-111.(c) Timelines. The following shall apply to timelines under this chapter: (i) Returns shall be filed and Wyoming estate tax paid at the time federal estate tax returns are required to be filed and federal estate taxes paid under the laws of the United States, including any extensions of time for filing or payment granted by the federal authorities; (ii) Before a final decree of distribution is entered the court shall be satisfied by presentation of receipts, cancelled checks, certificates, closing letters and other proof that all federal, state, county and municipal taxes legally levied upon the property of the estate or due on account of the estate or death of the decedent have been fully paid. All documents presented to the court shall be filed with the clerk to be preserved as a permanent part of the court file relating to the estate. The court shall not discharge any personal representative nor release his bond nor issue a decree of final distribution of the estate until: (A) A receipt from the inheritance tax commissioner is filed showing no inheritance and estate tax due; (B) All inheritance and estate taxes and interest have been paid; or (C) The court finds that no inheritance tax or estate tax is chargeable against the estate and excuses the filing of a receipt.