CT Scanners. Usually this instrument is used in the medical field, but it is also used in paleontology. In paleontology these are used to identify the reptiles and animals that are found in rocks without actually cracking the rocks.
4. You do not file a return: Keep records indefinitely. 5. You file a claim for credit or refund after you file your return: Keep records for three years from the date you filed your original return or two years from the date you paid the tax, whichever is later. 6. You file a claim for a loss from worthless securities or bad debt deduction: Keep records for seven years. 7.
Tax Records. 1  Tax Returns (Federal and State) â Keep copies of your tax returns and all supporting records until the time that the IRS can examine your return has expired. 2  Generally speaking, that falls between 3 and 7 years from the date you filed, depending on your return. We recommend you keep copies of the actual returns indefinitely, including copies of checks made out to the government (IRS or state). 2  Pay stubs-Keep until you get the year end summary. 3  Then keep the summary and shred the pay stubs.