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.
IRS Toll Free Main Number: 1-800-829-1040. Here are some other useful numbers: IRS E-file Help Desk Phone number: 1-866-255-0654 - Call this number for e-filing assistance. Tax Practitioner Hotline: 1-866-860-4259 - Tax assistance for Tax Preparers. This number is only for people who prepare taxes for other tax payers. Main Tax Assistance: 1-800-829-1040 - Tax assistance for Taxpayers. this is the IRS main number give i gave you above.