You cannot even have the refund amount direct deposited into any financial account. At the present time (2017), the IRS does not offer a direct deposit option for refunds on amended returns. In fact, there is no place on the form to designate a place for direct deposit.
In addition, only an original tax return can be electronically filed. You must file Form 1040X for an amended return on paper and mail it to the IRS.
The IRS will mail …