RSA 31:13: Due Date; Refunding.

The notes originally issued for such loans shall be payable not later than the tenth day of December following the next annual tax assessment after their issue; but by vote of the city councils, or at a legal town or district meeting, such notes may be renewed from time to time in whole or in part pending determination of the amount recoverable on account of the funds, or may be refunded in whole or in part by the issue of bonds of the municipality subject in all other respects to the provisions of RSA 33.