Any property owner may pay the full amount of the benefit assessed against that person's property before the bonds are issued and receive a receipt in full for that amount. Such payment shall be made to the county trustee; it is the duty of the county clerk to certify to the trustee the amount of any such assessment when requested to do so, and the trustee shall enter the amount upon the assessment lists in the trustee's hands in a separate place provided for the assessment, and shall furnish the clerk with duplicate receipts given for all assessments so paid in full, one (1) of which the clerk shall deliver to the county mayor. The trustee shall also give a receipt to the property owner so paying in full.