In general, property law is state law. There are a few exceptions and one of them is Spousal Consent to change a beneficiary on qualified plans.
President Obama, Nov. 2, signed into law the Bipartisan Budget Act of 2015, a two-year budget deal. The legislation raises the federal debt limit and is paid for in part by provisions eliminating two Social Security retirement benefit claiming strategies, a provision to prevent a significant increase in Medicare Part B premiums for some, and provisions that will make it easier for the Internal Revenue Service to audit large partnerships.
Many people have wanted a Roth IRA, but didn't meet the income limit guidelines. In 2010 this will no longer be an issue.
Assets in qualified retirement plans such as 401 (k) plans, defined benefit pension plans, and profit sharing plans, are specifically protected from the claims of creditors by the provisions of the Employee Retirement Income Security Act of 1974 (ERISA) and a 1992 decision of the Supreme Court of the United States, Patterson v. Shumate.