(a) Any person authorized under G.S. 130A-420 to dispose of a decedent's body may bind a decedent's estate for funeral expenses and related charges, including interest and finance charges, in accordance with this section, including the execution and delivery on behalf of the estate of any agreements, promissory notes, and other instruments relating to the estate. Whether or not a personal representative of the estate has been appointed at the time the expenses are incurred, funeral expenses of a decedent, together with interest or finance charges if financed by the funeral establishment or a third-party creditor, or advanced by a health care agent exercising authority described in G.S. 32A-19(b), shall be considered as an obligation of the estate of the decedent and the decedent's estate shall be primarily liable for those expenses to the funeral establishment that provided the funeral service, to any third-party creditor that finances the payment of those expenses, or to any other person described in this section who has paid such expenses.
(b) The provisions of this section shall not affect the application of G.S. 28A-19-6 or G.S. 130A-420.