Materially Defective Check Law and Legal Definition

According to 31 CFR 240.2 [Title 31 -- Money and Finance: Treasury; Subtitle B -- Regulations Relating to Money and Finance; Chapter II -- Fiscal Service, Department of the Treasury; Subchapter A -- Financial Management Service Part 240 -- Indorsement and Payment of Checks Drawn on the United States Treasury; General Provisions], materially defective check means

“(1) The counterfeiting of a check; or

(2) Any physical change on a check, including, but not limited to, a change in the amount, date, payee name, or other identifying information printed on the front or back of the check (but not including a forged or unauthorized drawer's signature); or

(3) Any forged or unauthorized indorsement appearing on the back of the check.”