To qualify for the H&R Block Maximum Refund Guarantee, the refund claim must be made during the calendar year in which the return was prepared and the larger refund or smaller tax liability must not be due to incomplete, inaccurate, or inconsistent information supplied by you, positions taken by you, your choice not to claim a deduction or credit, conflicting tax laws, or changes in tax laws after January 1, 2023. If you discover an error in the H&R Block tax preparation software that entitles you to a larger refund (or smaller liability), we will refund the software fees you paid to prepare that return and you may use our software to amend your return at no additional charge.Additional fees apply for tax expert support.Additional terms and restrictions apply See Guarantees for complete details. It does not provide for reimbursement of any taxes, penalties, or interest imposed by taxing authorities and does not include legal representation. Free Worry-Free Audit Support is available only for clients who purchase and use H&R Block desktop software solutions to prepare and successfully file their 2022 individual income tax return (federal or state).