The IRS will use the same banking information for the 2nd stimulus that they used for the first one. If that account (or card) is closed then the stimulus will go back to the IRS and they will mail you a check.
See this information from the IRS:
https://www.irs.gov/newsroom/treasury-and-irs-begin-delivering-second-round-of-economic-impact-payme...
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
