Under Modified Accelerated Cost Recovery System (MACRS) Bonus Depreciation has increased first-year depreciation deduction to 100% (vs. 50%) of the adjusted gross basis of qualified property. This goes into effect for assets placed in service after January 1, 2022 and before December 31, 2022. You can use bonus depreciation for purchases of new or used property. Under prior law, you could only use bonus depreciation for new property.