A: The ideal or normal blood sugar range is between 70 and 100 milligrams per deciliter for a fasting blood glucose test. If it is a random blood sugar test, ... Full Answer > Filed Under: Medical Ranges & Levels.
Under the statute of limitations, if you do not file a claim for a refund that you are entitled to, you generally have the later of three years from the date you filed the original return or two years from the date you paid the tax, to file the claim.
First, in order to collect a refund, a tax return must be filed with the IRS no later than three years from the due date of the return. After that, the money gets absorbed by the treasury, so you should stay on top of it. There is no penalty for filing a late return if you qualify for a refund.