The number of possible elements is not known. A very early suggestion made by Elliot Adams in 1911, and based on the arrangement of elements in each horizontal periodic table row, was that elements of atomic weight greater than 256Â± (which would equate to between elements 99 and 100 in modern-day terms) did not exist.
IRS debts can only legally be collected for 10 years, but there are many events that may stop that 10 year clock from running. This is known as tolling the statute of limitations. Events that stop or toll the statute of limitations from running include:
How long does IRS have to pay a refund on an amended return? I have contacted the National Tax Payers Advocate and received different answers. The problem is that it has been five months now since I filed an amended return for a refund and we have had no communication from the IRS. It just sits in examination for review since April, 22, 2008 with no activity or release for payment.