The maximum section 179 deduction uses the maximum expense limitation for the 2018 tax year. Enter an amount in this field to override the calculated amount.

The assets that are included are determined based on the total cost of section 179 property acquired during the year. Enter an amount in this field to override the calculated amount. This amount transfers to Part I, line 2 of Form 4562. For more information, see Tax assumptions.

The threshold cost of section 179 property uses the threshold amount for the 2018 tax year. Enter an amount in this field to override the calculated amount.

If you enter information in this field, it overrides the calculated amount.

Enter the amount of section 179 property placed in service by the spouse. This field is applicable to only married filing separate status returns. The dollar limitation to be divided between the married filing separate returns is determined by adding the amounts entered here to the amount of total cost of section 179.

The dollar limitation is divided equally between returns. Enter a percentage to be applied to the dollar limitation for tax year to override the calculated amount.

To make an election, click the Asset tab of any activity, choose Setup > Options, click the Bonus Depreciation Election button to open the election options, and mark the box(es) for the election(s) you want to make. When making an election in the Bonus Depreciation Election, the application marks the Elect out of 100% Bonus Depreciation field.

If the trader has a mark-to-market election under section 475(f) in effect for the tax year, enter information for all gains and losses from sales and dispositions of securities and commodities held in connection with a trading business in this statement. Also enter gains and losses from mark-to-market securities and commodities held at the end of the tax year. See Entering sales and holdings by a trader who made a mark-to-market election for important information.

100 percent of the gross proceeds in the statement attached to the Sale and holdings by trader who made a mark-to-market election field are treated as reported on Form 1099-B (or substitute statement) and included on Form 4797, Line 1. Enter an amount in this field only if an amount less than 100% of the gross proceeds was reported on the statement.