The Tax Cuts and Jobs Act, signed Dec. 22, 2017, changed some laws regarding depreciation deductions.

TCJA increases the maximum deduction for a section 179 property deduction from $500,000 to $1 million. It also increases the phase-out threshold from $2 million to $2.5 million.

You can read the IRS Depreciation and Expensing Fact Sheet for more information.