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.
4. Seven Year Rule for Record Retention(general rule). The rules on how long to keep financial records varies depending on what you are saving. For up to date tax filings, 7 years is a safe rule of thumb.Some people might say that is too long, but it is easier to follow this rule than to have to keep track how long you should keep different info.We suggest you keep tax returns for the life of your company. Scan them and save them both on and off site..or up to date tax filings, 7 years is a safe rule of thumb. Some people might say that is too long, but it is easier to follow this rule than to have to keep track how long you should keep different info. We suggest you keep tax returns for the life of your company. Scan them and save them both on and off site..