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.
Keep a copy of your return and the records that verify the income, deductions, adjustments, or credits reported on your return. Some records should be kept longer. For example, keep property records as long as they are needed to figure the basis of the property. For notices issued prior to August 1, 2011: FTB has 8 years after a taxpayer files a return to mail a proposed deficiency assessment. Therefore, tax documentation should be kept for at least 8 years.