How To Write A Voided Blank Check . Write “void” on the payee line. Just write “void” next to the check number and date, and note who you gave the check to. What Is a Voided Check? (+ Voided Check Examples) Excel Capital from www.excelcapmanagement.com With a voided check, all of the information needed is clearly displayed. If you want to disable a check from being cashed for whatever reason, you simply write “void” on the face of check. Always use a pen or a marker to write a void check.