Can I amend filed tax returns to pay self employment taxes with optional method for 2016, 2015, and 2014 now? I need the work credits applied for SSA disability purposes.
I would be filing amendment returns and paying social security taxes for these years in order to gain my work credits for being self employed those years. I was not aware of the optional method until this year. And other sources are saying you can go back 3 years so does that mean I cannot file an amendment for 2014 even though I am paying taxes and not getting a refund?