John Quincy Adams was the son of President John Adams and Abigail Adams. As a diplomat, Adams played an important role in negotiating key treaties, most notably the Treaty of Ghent, which ended the War of 1812.
1 So thatâs how long we advise in our charts. 2  Check with your state about state income tax, though. Some make you keep tax records a really long time: In Ohio, itâs 10 years.  The IRS can also ask for records up to six years after a filing if they suspect someone failed to report 25% or more of his gross income.
That means you should keep your records for three years from the date you filed the original return. This is good practice, too, because you generally have three years from when you filed your return â or two years from the date the tax was paid, whichever is later â to claim a refund or credit from the IRS.