After you file

Amended returns can only be paid by paper check.   Amended returns are taking more than 6 months to process.

 

You can change the payment method of the advance child tax credit on the IRS website:

https://www.irs.gov/coronavirus-tax-relief-and-economic-impact-payments

**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**