Retirement Improvements and Savings Enhancements (RISE) Act—This 2016 proposal sought to eliminate the backdoor Roth IRA and limit further contributions to Roth IRAs valued at more than $5 million. Tax Cuts and Jobs Act (TCJA)—This 2017 law eliminated the ability to recharacterize (undo) traditional IRA-to-Roth IRA conversions, along with making many other changes to Americans’ personal finances. Setting Every Community Up for Retirement Enhancement (SECURE) Act—This 2019 law eliminated the so-called “stretch IRA” that allowed IRA beneficiaries who aren’t spouses (for example, an adult child who inherited a parent’s IRA) to turn inherited IRA assets into generational wealth. Build Back Better Act—This 2021 proposal by House Democrats sought to require minimum distributions from IRAs with balances exceeding $10 million and eliminate backdoor Roth IRA contributions for taxpayers with income exceeding $450,000 for a joint return, $400,000 for singles, and $425,000 for heads of household starting in 2022.