<prompt> Human: I was in the military for 4 years, starting in 2007 and got out in 2011. I now have a substantially higher income than I ever have, so I am trying to get everything figured out before my 2015 taxes.I will be calling the IRS next week to start off, but does anybody have any advice?  <response>: Heres a link to IRS wage and income document transcript information. Based on your facts and circumstances, your best bet would be to call IRS customer service and request transcripts of your wage and income documents. The representative can also research your account to see if the Service has sent any notices requesting you file a return for a specific year or years.Once you have the documents, prepare the returns. Assuming IRS is not requiring you to file a specific return, I recommend you start with 2014, and then work through 2013 and 2012. If all three returns indicate you are due a refund: be sure the returns are complete and correct, and all three returns show your current address. Paper returns must be signed and dated, and attach the W-2 transcripts on the left margin of page one. Only input direct deposit information on the 2014 federal return. If you have all three returns ready at the same time, I strongly recommend you mail them in separate envelopes, or bring them to your local Taxpayer Assistance CenterOnce you file the returns, the normal processing time is approximately eight weeks. 2012 and 2013 refunds will be two separate refund checks. If you dont receive the refunds, or any notices or letters, after the eight weeks, you should call IRS customer service and research the status of your returns.If all three returns indicate you have a balance due: File as above, pay the tax balance when you file if possible and you would receive three separate balance due notices. Once you have the notices, you can pay the penalties and interest on the notices and be done, or request a payment plan.Even if you cant send 1 when you file, send the returns.If you need a payment plan, the Service may require you to file the 2009 - 2011 returns one or all three in order for you to be considered compliant.If the returns show a combination of balance due and refund: file the balance due returns first, wait for the notices, then file the refund returns. The refund will be applied to your balance due. If the refund amount is greater than the debt, it will pay it off in full, and you will receive the difference. If the refund is less than the debt, it will help pay the balance down, and then you can move forward with payment arrangements for the rest.You may also have state local filing requirements as well. 