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 The federal estate tax was repealed for 2010.
Third, an estate administrator may need to file an estate tax return (Form 706). Estate tax is a tax on the transfer of assets from the decedent to their heirs and beneficiaries. In general, estate tax only applies to large estates. For help with determining whether an estate tax return is required and how to file it, see the Estate and Gift Taxes page.