United States (6th Cir. 2013), the 6th Circuit affirmed the dismissal of Robert and Laurel Stocker's suit against the IRS challenging the IRS' denial of a $64,000 tax refund, holding that because the Stockers could not prove the timely filing of their amended federal tax return under the methods established in Internal Revenue Code (IRC) Section 7502, the District Court for the Western District of Michigan was correct in dismissing the case. [read post]