You can revised your estimates, and reduce the amount of each quarterly tax deposit. Or you can simply omit the last deposit (or more, depending on the expected tax impact). You do want to exercise care not to cut your tax deposits too severely, possibly exposing yourself to a penalty for underpayment of estimated tax.
You can revise your estimates and print new vouchers in TurboTax Self-Employed.
For more information, please see IRS Pub. 334 Tax Guide for
Small Business , p. 9.
