I'm a US citizen living in Canada, I am currently filing my back taxes for the year 2015, 2016. I completed both on turbo tax software and printed to file by mail as required by the software since the e filing period for the above mentioned years has expired. I printed the return forms and realized that there is no area or block on the forms for signature. I'm a little concerned about that , my question is: Am I supposed to sign my return printed form when filing by mail? if so , where.
Thank you for your help