(1) Does not own the security sold; or
(2) If owning the security, does not deliver it against the sale within twenty (20) days thereafter, or does not within five (5) days after the sale deposit it in the mails or other usual channels of transportation; but no person shall be deemed to have violated this section if the person proves that, notwithstanding the exercise of good faith, the person was unable to make the delivery or deposit within that time, or that to do so would cause undue inconvenience or expense.