Linoleic acid is an omega-6 fatty acid because it has a double bond six carbons away from the omega carbon. Linoleic acid plays an important role in lowering cholesterol levels. Alpha-linolenic acid is an omega-3 fatty acid because it has a double bond three carbons away from the omega carbon.
A federal estate tax return (form 706) must be filed by the executor for the estate of every U.S. citizen or resident whose gross estate, plus adjusted taxable gifts is more than $3,500,000. THE FEDERAL ESTATE TAX SAGA 2010 AND BEYOND. The federal estate tax was repealed for 2010.
The executor is also responsible for any estate taxes when due. Estate taxes are only applicable to very large estates -- in excess of $5 million. An executor typically cannot settle a large estate that owes taxes until he files an estate tax return and receives an estate tax closing letter from the IRS.n executor typically cannot settle a large estate that owes taxes until he files an estate tax return and receives an estate tax closing letter from the IRS.