Hospitality and Commerce Job Recovery Act of 2021 This bill extends existing and establishes new tax credits that assist the hospitality and restaurant industry. Specifically, it allows a convention and trade show restart tax credit; extends the employee retention tax credit through 2021; suspends for taxable years 2021 through 2022, the limitation on entertainment expenses related to a trade or business, allows a restaurant and dining restart credit for businesses closed or forced to reduce services due to COVID-19 (i.e., coronavirus disease 2019); allows a 50% tax credit for travel expenditures; and allows a tax credit for unmerchantable inventory for the period between December 31, 2019, and before April 1, 2021.