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.
How long to keep records. You must keep records for 6 years from the end of the last company financial year they relate to, or longer if: they show a transaction that covers more than one of the companyâs accounting periods. the company has bought something that it expects to last more than 6 years, like equipment or machinery.