Not to be confused with creatinine. Creatine (/ËkriËÉtiËn/ or /ËkriËÉtÉªn/) is a nitrogenous organic acid that occurs naturally in vertebrates. Its main role is to facilitate recycling of adenosine triphosphate (ATP), the energy currency of the cell, primarily in muscle and brain tissue.
Case 1: You Filed a Previous Year (2014) Tax Return But Do Not Have Access to a Copy of the Return or the AGI. First from the IRS website or call the IRS at 866-704-7388. Here is what you will see on the IRS PIN request site: Note: the image above is for informational purposes and is not interactive.
If you did not file a 2013 Tax Return with the IRS, simply answer No. Once this happens, the efile software will automatically enter 0 as the number to verify your identity with the IRS (0 is your AGI for 2013 since you did not have any income that year).ase 2: You Filed a (Previous Year) 2013 Tax Return and You have a Copy of the Return and AGI. For all other users, use the previous year AGI as your identity for the current year (Tax Year 2014) tax return. Follow these step by step instructions on how to enter your previous tax year AGI on efile.com.