yes, you can begin your 2020 tax return now by making a list of all the documents you expect to receive (W-2s, dividends/ interest, brokerage statements, etc.). Suggest pulling out 2019 tax return and think about what has changed. Once you've received the 2020 versions of these documents you can begin entering them into the 2020 tax return software. The IRS will begin accepting completed tax returns in late January.
