another wash sale question Home › General Investing › another wash sale question Drop it into MD Participant Status: Physician Posts: 440 Joined: 09/20/2018 I have been reading there is some debated about what types of accounts effect wash sales. I know that IRA and RIRA can do it What about 529? What about 403b or 457b? Is there anything firm saying that it is safe to ignore these? Or are we just assuming so because they were not mentioned specifically by the IRS? December 10, 2018 at 1:21 pm MST #173149 Reply Peds Moderator Status: Physician Posts: 4671 Joined: 01/08/2016 Assumptions. Also no cases. December 10, 2018 at 1:42 pm MST #173159 Reply Reply To: another wash sale question Reply Content: Notify me of follow-up replies via email Submit In case of a glitch or error, please save your text elsewhere, clear browser cache, close browser, open browser and refresh the page.