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.
Contact the IRS by telephone to ask your question. Their telephone number is 1-800-829-1040, and the hours of operation for the phone service are Monday through Friday, 7:00 a.m. to 10:00 p.m. in your local time zone. 3. Visit your local IRS office. This is a place where you can meet with an IRS representative to discuss your tax questions in person.