A taxpayer who converted an IRA funded by deductible contributions to a Roth IRA in 2017 has until October 15, 2018, to undo it. This means recharacterizing the new account as a traditional IRA. However, conversions in 2018 and beyond cannot be undone. The Tax Cuts and Jobs Act of 2017 ended this opportunity.
Payments within one tax year of the entire amount due to a participant in a qualified retirement plan. Qualifying lump sums may be directly rolled over tax free, or, in some cases, are eligible for current tax under a favorable averaging method.