Upon payment in full, the bonds shall be delivered to the purchaser in definitive form, unless the right to deliver temporary securities has been reserved or the purchaser has waived the right to receive definitive bonds at the time of payment, in either of which events such temporary securities, exchangeable for definitive bonds, may be delivered upon such payment. In case the purchase price is not so paid, the bonds so sold but not paid for shall be resold by the State Treasurer, upon notice, as provided in case of original sale.