A clinical evaluation of amlexanox oral adhesive pellicles in the treatment of recurrent aphthous stomatitis and comparison with amlexanox oral tablets:a randomized, placebo controlled, blinded, multicenter clinical trial.
In addition to accessing the Form 656 and Form 656-L online, you may obtain it by calling the IRS toll free number 1-800-829-3676 or by visiting your local IRS office. This entry was posted in IRS Tax Advice, Tax News. Bookmark the permalink.
For further assistance: 1  Call the FMS at 1-800-304-3107 to find out if your refund was reduced because of an offset. 2  Call the IRS Taxpayer Advocate Service at 1-877-777-4778 (or visit www.irs.gov/advocate) if you feel your refund was reduced in error. The service is free.