Monday, Feb 1st, 2021

Deadline for employers to mail out W-2 Forms to their employees and for businesses to furnish 1099 Forms reporting non-employee compensation, bank interest, dividends, and distributions from a retirement plan

Deadline for financial institutions to mail out Form 1099-B relating to sales of stock, bonds, or mutual funds through a brokerage account, Form 1099-S relating to real estate transactions; and Form 1099-MISC, if the sender is reporting payments in boxes 8 or 14

Deadline for catching up on unpaid fourth-quarter estimated taxes without additional penalties by filing 2020 tax returns