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.
When to File: You must wait until the original return has been filed before you file an amended return. For a credit or refund, you must file within 3 years (including extensions) after the date you filed your original return or within 2 years after the date you paid the tax, whichever is later.