You cannot file in December. The IRS will not open the 2017 filing season until late January but has not even given a date yet pending tax law changes. There is no new law yet, but most changed are for the 2018 tax year and beyond, very few changes that would affect 2017 taxes.
**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**
