<prompt> Human: So I amended my 2014 Tax return this year and IRS accepted it in March 2016. When I check the status. They say I have call a certain number and extension. When I do it, i always get a message that The line is busy and due to high volume of calls. I should try another day. Is it normal, if so what is the acceptable time frame?What should I do? I am owed little over 11,000.  <response>: For individual account inquiries, try 1-800-829-1040. To make an appointment for face-to-face help, 1-844-545-5640. Both lines are M - F 7am - 7pm local time. 