Very sorry for your loss. No one in this forum can tell you if your father's 2023 return contains information --like any carryovers--that you will need in order to file his 2024 return. If you cannot find a copy in his records, then you can try requesting a copy from the IRS.
https://www.irs.gov/pub/irs-pdf/f4506.pdf
**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.**
